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2 years ago

Is the expression 4(3 + 5) – 10 = 4 x 3 + 5 – 10 true or false? Explain

1 answer:

6 0

False.

For the first part, 4(3 + 5) needs to be added first so its 4 * 8. This is 32 - 10.

The second part will have 4 * 3 which is 12 + 5 which is 17. Finally subtract 10 and its 7.

And 22 is not equal to 7

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A copy machine makes 24 copies per minute. How long does it take to make 90 copies?

quester [9]

that would be 3 minutes and 45 seconds (:

5 0

2 years ago

Which ordered pairs lie on the graph of the exponential function f(x)=-3(x-1)+2

Whitepunk [10]

Answer:

(-1,2), (1,1), (0,0), (4,-25)

Step-by-step explanation:

Hope this helps!!

4 0

2 years ago

(-10) + 3 = 10 - 3 is true or false???

Goshia [24]

(-10) + 3 = -(10 - 3) = -7

10 - 3 = 7

-7 ≠ 7

FALSE

3 0

2 years ago

Can someone please help me with this.

allsm [11]

Answer:

Step-by-step explanation:

Given expression is $|8-6 i|$ .

$|8-6 i|$ is a complex expression.

The value of i is –1.

By definition of absolute value, $|a+b i|=\sqrt{a^{2}+b^{2}}$

Now, substitute $|8-6 i|$ in the above formula.

$\Rightarrow|8-6 i|=\sqrt{8^{2}+(-6)^{2}}$ (since i = –1)

$=\sqrt{64+36}$ (since $8^{2}=64$ and $–6^{2}=36$ )

$=\sqrt{100}$ (Square root of 100 is 10)

= 10

Hence, the value of the expression $|8-6 i|$ is 10.

3 0

3 years ago

Help will give crown

frosja888 [35]

Answer:

This means our slope is equal to $\frac{6}{4}$ .

Step-by-step explanation:

Your ordered pairs are:

(-4, -4) and (0, 2)

To solve for the slope, we must use slope formula.

$\frac{y2-y1}{x2-x1}$

Substitute:

$\frac{2+4}{0+4}$

Solve:

$\frac{6}{4}$

This means our slope is equal to $\frac{6}{4}$ .

Hope this helped. :)

4 0

3 years ago

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