a)11cm
b)25cm
you do 44cm divide by 4 which equals to 11
c)
In a two-digit number, the product of the digits is 18 and their sum is 9. Find the
numbers.
d)
If the perimeter of a rectangular garden is 90 m and it's area is 500 sq.m , find its length and breadth.
Answer:
d)25cm,20cm
c)6,3
Step-by-step explanation:
d)P=2(l+b)
90=2(l+b)
l+b=90/2
l+b=45
A=l×b
500=lb
l=45-b
500=(45-b)b
500=45b-b²
b²-45b+500=0
b²-25b-20b+500=0
b(b-25)-20(b-25)=0
(b-20)(b-25)=0
b=20 or b=25
c)a×b=18
a+b=9
a=9-b
(9-b)b=18
9b-b²=18
b²-9b+18=0
b²-6b-3b+18=0
b(b-6)-3(b-6)=0
(b-3)(b-6)=0
b=3 or b=6
Answer:
d)2cm,d)20cm
c)6,3 answer
PLEASE HELP FASTTT!!!
Answer:
5 seconds
Step-by-step explanation:
Looking at your function (h(t) = -16t^2 + 48t + 160), I see that the peak height will be 196 feet, and that is achieved in 1.5 seconds.
h(1.5) = -16(1.5)^2 + 48(1.5) + 160
h(1.5) = -16(2.25)+ 48(1.5) + 160
h(1.5) = -36 + 48(1.5) + 160
h(1.5) = -36 + 72 + 160
h(1.5) = 36 + 160
h(1.5) = 196
Going down from that height, it would take 3.5 more seconds, so it would take 5 seconds in total
h(5) = -16(5)^2 + 48(5) + 160
h(5) = -16(25) + 48(5) + 160
h(5) = -400 + 48(5) + 160
h(5) = -400 + 240 + 160
h(5) = -400 + 400
h(5) = 0
PLEASE HELP WILL MARK BRAINLIEST!!!!!
Answer:
Samuel's function will have the greatest rate of change.
Step-by-step explanation:
Samuel's rate of change is -15 as shown by the graph. Isaac's is -10, Samuel's has the greatest value because it will change more dramaticly.
HELP RIGHT AWAY IF YOU SEE
Answer:
I would say A
Step-by-step explanation:
Match the following rational expressions to their rewritten forms.
Rational Expressions:
x^2+x+4/x-2
x^2-x+4/x-2
x^2-4x+10/x-2
x^2-5x+16/x-2
Rewritten Forms:
(x-2)+6/x-2
(x+3)+10/x-2
(x+1)+6/x-2
(x-3)+10/x-2
Answer:
Answer image is attached.
Step-by-step explanation:
Given rational expressions:
[tex]1.\ \dfrac{x^2+x+4}{x-2}\\2.\ \dfrac{x^2-x+4}{x-2}\\3.\ \dfrac{x^2-4x+10}{x-2}\\4.\ \dfrac{x^2-5x+16}{x-2}[/tex]
And the rewritten forms:
[tex](x-2)+\dfrac{6}{x-2}\\(x+3)+\dfrac{10}{x-2}\\(x+1)+\dfrac{6}{x-2}\\(x-3)+\dfrac{10}{x-2}[/tex]
We have to match the rewritten terms with the given expressions.
Let us consider the rewritten terms and let us solve them one by one by taking LCM.
[tex](x-2)+\dfrac{6}{x-2}\\\Rightarrow \dfrac{(x-2)^{2}+6 }{x-2}\\\Rightarrow \dfrac{x^2-4x+4+6 }{x-2}\\\Rightarrow \dfrac{x^2-4x+10}{x-2}[/tex]
So, correct option is 3.
[tex](x+3)+\dfrac{10}{x-2}\\\Rightarrow \dfrac{(x+3)(x-2)+10}{x-2}\\\Rightarrow \dfrac{(x^2+3x-2x-6)+10}{x-2}\\\Rightarrow \dfrac{x^2+x+4}{x-2}[/tex]
So, correct option is 1.
[tex](x+1)+\dfrac{6}{x-2}\\\Rightarrow \dfrac{(x+1)(x-2)+6}{x-2}\\\Rightarrow \dfrac{x^{2} +x-2x-2+6}{x-2}\\\Rightarrow \dfrac{x^{2} -x+4}{x-2}[/tex]
So, correct option is 2.
[tex](x-3)+\dfrac{10}{x-2}\\\Rightarrow \dfrac{(x-3)(x-2)+10}{x-2}\\\Rightarrow \dfrac{x^2-3x-2x+6+10}{x-2}\\\Rightarrow \dfrac{x^2-5x+16}{x-2}[/tex]
So, correct option is 4.
The answer is also attached in the answer area.
I need help with this question I’ve been stuck on please help me
Answer:
ok so the answer is b
Step-by-step explanation: because if you divide the numbers and you get the answer you will have to add and there is your answer and please give me a 5 star.
Rob is saving to buy a new iPad. For every $15 he earns babysitting, he saves $6. On Saturday, Rob earned $75 babysitting. How much money did he save?
Rewrite each algebraic expression in an equivalent form with the fewest
number of terms possible.
a. 6(x + 7)(x + 2)
b. (2y – 5)
c. (5x + 4y)(2x - y)
d. (3x + 7)(3x – 7)
e. (t + 2) – (4t +9) – t
Answer:
Step-by-step explanation:
The terms will be multiplied in order to get the simplified polynomials.
a. 6(x + 7)(x + 2)
[tex]6(x + 7)(x + 2)\\=6[x(x+2)+7(x+2)]\\=6(x^2+2x+7x+14)\\=6(x^2+9x+14)\\=6x^2+54x+84[/tex]
The simplified form of 6(x + 7)(x + 2) is [tex]6x^2+54x+84[/tex]
b. (2y – 5)^2
Using the formula: [tex](a-b)^2 = a^2+b^2-2ab[/tex]
[tex]=(2y)^2+(5)^2-2(2y)(5)\\=4y^2+25-20y[/tex]
The simplified form is: [tex]4y^2-20y+25[/tex]
c. (5x + 4y)(2x - y)
[tex]=5x(2x-y)+4y(2x-y)\\=10x^2-5xy+8xy-4y^2\\=10x^2+3xy-4y^2[/tex]
The simplified form of (5x + 4y)(2x - y) is [tex]10x^2+3xy-4y^2[/tex]
d. (3x + 7)(3x – 7)
Using the formula: [tex](a+b)(a-b) = a^2-b^2[/tex]
[tex]= (3x)^2-(7)^2\\= 9x^2-49[/tex]
The simplified form of (3x + 7)(3x – 7) is [tex]9x^2-49[/tex]
e. (t + 2) – (4t +9) – t
[tex]=t+2-4t-9-t\\=t-4t-t+2-9\\= -4t-7[/tex]
The simplified form of (t + 2) – (4t +9) – t is [tex]-4t-7[/tex]
Hence,
a. The simplified form of 6(x + 7)(x + 2) is [tex]6x^2+54x+84[/tex]
b. The simplified form is: [tex]4y^2-20y+25[/tex]
c. The simplified form of (5x + 4y)(2x - y) is [tex]10x^2+3xy-4y^2[/tex]
d. The simplified form of (3x + 7)(3x – 7) is [tex]9x^2-49[/tex]
e. The simplified form of (t + 2) – (4t +9) – t is [tex]-4t-7[/tex]
A label shows the name of a feature on a map.
Please select the best answer from the choices provided
T or F?
Answer:
true
Step-by-step explanation:
: A coin is thrown 30 times.
The coin lands on tails 20 times.
What is the relative frequency of the coin landing on tails?
Answer:
let H represent the head's outcome
let T represents the outcome of tails.
if the coin is tossed 3times The total number outcomes are
HHH, HHT, HTH, HTT, THH, THT, TTH, TTT
Pls help giving brainleist and 20 points
Answer:
The first one is B because 5 times 7 is 35 and you put it as a fraction and the second one is B because the answer is 35/16 and if you simplify it the answer would be 2 3/16
Step-by-step explanation:
at least how many hours of sleep do students ages seven to twelve need per night
A seven
b eight
C nine
d ten
Answer:
10 hours
Step-by-step explanation:
ok
I need help please
can someone with course hero help me plzzz!!
Help meee due tomorrow What is the decimal equivalent to 19/25
A.0.19
B.0.76
C.0.25
D.0.63
class Math
Answer:
The correct is the little (B) 0.76
Janna and Travon are creating posters for the school play. Together they will have f(t) posters after creating posters for t hours.
f(t) = 5t + 3
The function f represents the fact that every hour —
Janna and Travon can make 5 posters together, and 3 posters were already made.
Janna can make 5 posters, and Travon can make 3 posters.
Travon can make 4 posters, and Janna can make 1 poster.
Janna and Travon can make 5 posters apiece, and 3 posters were already made.
Answer:
I think is D
Step-by-step explanation:
Show the work
1. 11x + 13° + 4x + 17°=180°
What is 7 x 1/8?
I need to know for a Khan Academy problem.
Happy New Year.
7 / 8 i think correct me if im wrong!
Answer:
7/8
Step-by-step explanation:
PLEASE GIVE BRAINLIEST
It is because 7 times 1 is 7 and when multiplying a regular number by a fraction the denominator does not change.
Hi! help is greatly appreciated!
Find the value of x.
A. 6
B. 2
C. 4
D. 3
Answer:
answer is 3
because first we add 4+2=6
the sum of the line is 6 then we will got
x+3=6
x=6-3
x=3
Step-by-step explanation:
hope my answer is helpful to you
plz mark me as brainlist
Store A sells 5 bagels for $2.05. Store B sells 3 bagels for $1.35. How do the unit rates compare?
A. The bagels at Store A are $0.04 more expensive than the bagels at Store B.
B. The bagels at Store A are $0.03 more expensive than the bagels at Store B.
C. The bagels at Store B are $0.04 more expensive than the bagels at Store A.
D. The bagels at Store B are $0.03 more expensive than the bagels at Store A.
3 / 24
Answer:
C. The bagels at Store B are $0.04 more expensive than the bagels at Store A.
Step-by-step explanation:
Find the unit rates of both stores by dividing the price by the number of bagels:
Store A:
2.05/5
= 0.41
Store B:
1.35/3
= 0.45
Store B's bagels are $0.04 more than Store A's, so C is the correct answer.
Use the given information to prove that PQR = TSR.
Answer:
3. Given: R is the midpoint of both PT and QS and TSR. ∆ are right triangles. Prove: PQR. ∆. ~ TSR. ∆. 5. Given: AB = CB = 9 cm.
Step-by-step explanation:
Δ PQR ≅ Δ TSR by AAS congruency rule.
What are congruent triangles?Two triangles are said to be congruent if their corresponding sides and angles are congruent to each other.
The given information are QR = SR and ∠ QPR = ∠ STR
The proof is as follows :-
Statement Reasons
QR = RS Given
∠ QPR = ∠ STR Given
∠ PRQ = ∠ TRS Vertically opposite angles
Δ PQR ≅ Δ TSR AAS congruency rule
AAS congruency rule :-
Two triangles are said to be congruent if two angles and the included side of one triangle are equal to two angles and the included side of another triangle.
Hence, the triangles are congruent by AAS congruency rule.
For more references on congruency, click;
https://brainly.com/question/30105362
#SPJ2
Pleassse HELP WILL GIVE BRAINLIEST
Darrell bought an 80 pound bag of dog food. If ⅝ of a pound are used to
feed the dog each day, how many days will the bag of dog food last?
Answer:
The 80 p0und bag will last 128 days.
Step-by-step explanation:
In order to find out how much days the 80 pound bag last we have to divide the 80 pounds by the among that the dog eats each day. And so we get.....
80 / [tex]\frac{5}{8}[/tex] = [tex]\frac{80}{1} / \frac{5}{8}[/tex] = [tex](\frac{80}{1})(\frac{8}{5})[/tex] = [tex]\frac{640}{5}[/tex] = 128
Answer:
For some reason my answer got deleted.
The dog food will last 128 days,
Step-by-step explanation:
80 ÷ 5/8 = 128
Since 5/8 is being used each day, you divide.
I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!
Diversification is a helpful investment strategy because it:
A.focuses all investments on a single stock or company
B.protects an investor in case on investment fails
C.ensures that no capital can be lost in an investment
D.guarantees that an investment will grow at a certain rate
Answer: B
Step-by-step explanation:
Boris had 91.5 g of pepper then he use 0.4 g of the pepper to make each plate of scrambled eggs how much pepper does Boris have left if he made 16 plates of scrambled eggs
Answer:
85.1 g
Step-by-step explanation:
Boris has 91.5 g of pepper
He used 0.4g to make one plate of scrambled egg
If she made 16 plates of scrambled egg then the amount of pepper that will be left can be calculated as follows
= 0.4×16
= 6.4g
= 91.5g - 6.4g
= 85.1g
Hence Boris will have 85.1g of pepper left
A recipe makes 623 cups. The serving size is 56 cup. How many servings does the recipe make? (Divide)
Answer:
11 servings
Step-by-step explanation:
A recipe is 623 cups
1 serving is 56 cups
Now if 1 serving is 56 cups
x serving is 623 cups
x = 623/56
x= 11 servings
Which transformation will create an image of the regular Hexagon ABCDEF that coincides with itself?
Answer:
reflection of ae
Step-by-step explanation:
b=a
e-d and it just flips
A company has an annual electric bill of $495,000. Of that amount, 3/5 was billed during June, July, August, and September. On average, how much money was billed during each of those four months? A. $34,750 B. $74,250 C. $139,000 D. $417,000
please help me out! find the value of f(-4)
Answer:
f(-4) = 4
Step-by-step explanation:
We know that f(x) = y.
We also know that f(-4) means that x = -4.
The y value of (-4, y) is 4, therefore... f(-4) = 4.
BRAINLIEST WILL I GIVE HURRY
Answer:
{10,8}
Step-by-step explanation:
-3x + 4y = -62
4x + 5y = 0
let's eliminate the x
-3x + 4y = -62 | x -4 |
4x + 5y = 0 | x 3 |
12x - 16y = 248
12x + 15y = 0
-------------------- -
-31y = 248
y = 248/(-31) = 8
since you must do this proble with elimination, we cant use subtitution. so we repeat the way once more to find x (eliminate y)
-3x + 4y = -62 | x 5 |
4x + 5y = 0 | x 4 |
-15x + 20y = -310
16x + 20y = 0
-------------------- -
-31x = -310
x = -310/-31 = 10
Megan use 2/3 cup of almonds to make 4 cups of trail mix. Using this same portion, how many cups of almonds would Megan need to make 9 cups of trail mix.