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2 years ago

Please help please. I will mark brainlist

Mathematics

2 answers:

Alborosie2 years ago

6 0

Answer:

I asked my teacher is she could help me and she said it was -7+10=3. Step-by-step explanation:

Verdich [7]2 years ago

4 0

I agree with -7 + 10 =3
It’s the only thing that makes sense on the model

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Surface area of a cylinder with a radius of 7cm and a height of 12

Keith_Richards [23]

Answer:

CSA = 2 * pi * r * h

Step-by-step explanation:

CSA = 2 * 22 * 7 * 12 / 7

= 2 * 22 * 12

528 cm ^3

7 0

3 years ago

Read 2 more answers

Which function is a quadratic function? F(x) =2x^2, g(x) =5x^3,k(x)=-x,b(x)=-9x^4

Katen [24]

Answer:

F(x)=2x^2

Step-by-step explanation:

Basically, a quadratic function has x^2 in it (standard form ax^2+bx+c with non-zero a). The others have x^3, -x, x^4, etc., which clearly are NOT x^2.

5 0

2 years ago

Marcus is 5 19/24 feet tall. Ben is 5 9/16 feet tall. Which of the two boys is taller?

Ksju [112]

well, Marcus and Ben are both 5 feet tall and a little bit more, Marcus is 19/24 more and Ben is 9/16 more, so the 5's in the fraction are the same, so which one is larger, 19/24 or 9/16?

we can simply put both fractions with the same denominator, by <u>multiplying one by the other's denominator</u>, so let's proceed,

$\bf \stackrel{\textit{\large Marcus is taller}}{5~feet + \left( \cfrac{19}{24}\cdot \cfrac{16}{16}\implies \boxed{\cfrac{304}{384}} \right)}\qquad \qquad \qquad \stackrel{\textit{\large Ben}}{5~feet + \left( \cfrac{9}{16}\cdot \cfrac{24}{24}\implies \boxed{\cfrac{216}{384}} \right)}$

4 0

2 years ago

Circle has equation x^2+y^2=36

baherus [9]

Answer: AB = 10.2

Explanation:

A(5.1, root11)
B(-5.1, root11)

AB = |5.1| + |-5.1| = 5.1 + 5.1 = 10.2

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2 years ago

Which of the following equations has exactly one solution?

shusha [124]

Answer:

Step-by-step explanation:

5a+4=9a+3-4a

5a-9a+4a=3-4

a=-1

6 0

2 years ago