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3 years ago

11

What is 90 plus negative 35

1 answer:

Dima020 [189]3 years ago

7 0

The addition of a negative is basically the same as subtraction.

Since your adding -35 to 90, your just taking away 35 from 90.

You would set up the problem like this:

90 + – 35

Or you could write it out like this:

90 – 35

Either way, 90 + – 35 = 55

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Solve |x| + 7 < 4. need answer asap

MAVERICK [17]

Answer:

No Solution

Step-by-step explanation:

When you subtract the 7 from the 4, you get -3. Since |x| is always positive it can't be -3.

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4 years ago

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3 years ago

Read 2 more answers

Which expression results in a rational number?

astraxan [27]

Answer:

option D is rational

Step-by-step explanation:

A rational number is a number that can be written in the form of fraction or integer

here in the given question

A) 1.5 + √1.5

now,

√1.5 is not rational as √1.5 = 1.2247448713915890490986420373529

hence A is not rational

b) 12 - √12

√12 is not rational as √12 = 3.4641016151377545870548926830117

hence B is not rational

c) $\frac{3}{4}\times\sqrt\frac{3}{4}$

here,

$\sqrt\frac{3}{4}$ is not rational

D) $\frac{25}{\sqrt{25}}$

now,

√25 = 5

hence,

$\frac{25}{\sqrt{25}}$ = $\frac{25}{5}$ = 5

therefore,

option D is rational

7 0

4 years ago

A right circular cylindrical tin of baking powder is 4 inches tall. The radius of the base is 1 inch. What is the surface area o

Ilia_Sergeevich [38]

Answer:

SA = 10 $\pi$ in²

Step-by-step explanation:

Formula to find the surface area of a cylinder is,

$2\pi r(r+h)$

Given that,

$r = 1 \\h=4$

Let,s solve now

$2\pi r(r+h)\\2\pi *1(1+4)\\2\pi (5)\\(10\pi) in^{2}$

Hope this helps you.

Let me know if you have any other questions :-)

5 0

3 years ago