3 years ago

Product of (x+2) and (x-5)

Mathematics

1 answer:

yulyashka [42]3 years ago

6 0

Answer:

X^2+7x+10

Step-by-step explanation:

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Solve the following expression when m = 5 and d = 4 m2 + 2d + 8 + d

docker41 [41]

M2 + 2d + 8 + d

5(2) + 2(4) + 8 + 4

10 + 8 + 8 + 4

10 + 16 + 4

26 + 4

30

8 0

2 years ago

A roll of 100 pennies is in the shape of a right cylinder. Each penny has a diameter of 0.75 inches and a thickness of 0.04 inch

zalisa [80]

Answer:

(B) π(0.75/2)²(4)

Step-by-step explanation:

The volume formula:

V = πr²h

Given:

d = 0.75 in ⇒ r = d/2 = 0.75/2 in
h = 0.04 in

The volume of each penny:

V = π(0.75/2)²(0.04)

The volume of 100 pennies:

V = 100*π(0.75/2)²(0.04) = π(0.75/2)²(4)

Correct choice is B

6 0

3 years ago

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8x(3x2-8)+10 what does his mean?

choli [55]

$8*(3*2-8)+10= \\\\ =8*(6-8)+10= \\\\ = 8*(-2)+10= \\\\ =-16+10= \\\\ =\boxed{-6}$

5 0

3 years ago

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1.4=0.7p solve the equation

WINSTONCH [101]

You need to isolate p:
1.4 divided by 0.7 = 0.7p divided by 0.7 (this eliminates 0.7)
2 = p

4 0

3 years ago

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A sphere has a volume of Vequals=3600 in cubedin3. Find its surface area.

Mice21 [21]

$\bf \textit{volume of a sphere}\\\\
V=\cfrac{4}{3}\pi r^3\qquad 
\begin{cases}
r=radius\\
------\\
V=3600
\end{cases}\implies 3600=\cfrac{4}{3}\pi r^3
\\\\\\
3600=\cfrac{4\pi r^3}{3}\implies \sqrt[3]{\cfrac{3\cdot 3600}{4\pi }}=\boxed{r}\\\\
-----------------------------\\\\
\textit{surface area of a sphere}\\\\
S=4\pi r^2\implies S=4\pi \left(\boxed{\sqrt[3]{\cfrac{3\cdot 3600}{4\pi }}} \right)^2$

simplify away

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3 years ago

Product of (x+2) and (x-5)​

Product of (x+2) and (x-5)