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quester [9]
3 years ago
15

What do they call it mathematics

Mathematics
1 answer:
Nata [24]3 years ago
7 0

Answer:

cus you do math i guess

Step-by-step explanation:

idk ask Einstein

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A^2−8ab+16b^2=81, find a–4b
neonofarm [45]

Answer:

-9, 9

Step-by-step explanation:

a² − 8ab + 16b² = 81

(a - 4b)² = 81      Wrote the left-hand side as a square

 a - 4b = ±9     Took the square root of each side

All values of a - 4b are -9 and +9.

4 0
3 years ago
The sum of X and fifteen
zhuklara [117]

x+15

depends on the value of x

7 0
3 years ago
Read 2 more answers
16. (it’s a triangle)<br> x<br> x + 4<br> X-1<br> x + 2<br> what is x?
grigory [225]

Answer:

im sorry i don't know the answer i just need to do this so that i can ask my question pls forgive me

6 0
3 years ago
All pieces of pizza must be square with none left over. What is the side length of the largest square pieces into which Juanita
Ber [7]

Answer:

6 in

Step-by-step explanation:

The question is incomplete. Here is the complete question.

Juanita and samuel are planning a pizza party. they order a rectangle sheet pizza that measures 21 inches by 36 inches.? they tell the pizza maker not to cut it because they want to cut it themselves. All pieces of pizza must be square with none left over. what is the side length of the largest square pieces into which juanita and samuel can cut the pizza?

First we need to calculate the area of the rectangular pizza.

Area of a rectangle = Length × Breadth

Area of the rectangular pizza= 21×36

Area of the rectangular pizza = 756in²

Next is to equate the area of the rectangle to the area of a square.

Area of a square = L²

Therefore L² = 756

L = √756

L = √36×21

L = √36×√21

L = 6√21

This means that the length if the largest square they can cut is 6in (ignoring the irrational part of the length gotten)

7 0
3 years ago
The number of dogs in a shelter is equal to 4 less than 2 times the number of cats. If there are 20 dogs in the shelter how many
poizon [28]
D=number of dogs
c=cats

d equals 4 less than 2 times c
d=-4+2c
20 dogs
d=20
subsitute
20=-4+2c
add 4
24=2c
divide 2
12=c
12 cats
5 0
3 years ago
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