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3 years ago

12

Solve the inequality.graph the solution.

1 answer:

Likurg_2 [28]3 years ago

8 0

if i remember correctly the answers should be :

(the < > don't have line on the bottom so ill type line if it needs it )

9. n < -8 (line)

10. r > 9/7

11. w < -7/4 (line)

12.y < -0.8

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Simplify.<br> (-2u?+u-3)+(4u²+7u+5)

Pavlova-9 [17]

Answer:

$2u^2+8u+2$

Step-by-step explanation:

$\left(-2u^2+u-3\right)+\left(4u^2+7u+5\right)$

$\blacksquare$ <u>Remove parentheses:</u>

$\longmapsto$ $-2u^2+u-3+4u^2+7u+5$

$\blacksquare$ <u>Combine like terms:</u>

$-2u^2+4u^2+u+7u-3+5$

$\longmapsto$ $-2u^2+4u^2=2u^2$

$\longmapsto$ $\:u+7u=8u$

$\longmapsto$ $-3+5=2$

$\leadsto$ $2u^2+8u+2$

_______________________

3 0

3 years ago

Read 2 more answers

Which logarithmic equation is equivalent to the exponential equation below?

aleksandr82 [10.1K]

Option B: $\ln 6=5 x$ is the correct answer.

Explanation:

The exponential equation is $e^{5 x}=6$

If $f(x)=g(x)$ , then $\ln (f(x))=\ln (g(x))$

Thus, the equation becomes

$\ln \left(e^{5 x}\right)=\ln (6)$

Applying log rule, $\log _{a}\left(x^{b}\right)=b \cdot \log _{a}(x)$ and thus the equation becomes

$5 x \ln (e)=\ln (6)$

Since, we know that, $\ln (e)=1$ , using this we get,

$5 x=\ln (6)$

Hence, the logarithmic equation which is equivalent to the exponential equation $e^{5 x}=6$ is $\ln 6=5 x$

Thus, Option B is the correct answer.

7 0

3 years ago

If there are 5 family members all exchanging gifts, how many gifts are exchanged?

leonid [27]

I think 20 gifts would be exchanged because each family member has to exchange 1 gift to everyone

4 0

3 years ago

Five friends went out to dinner, and the bill came to $85. They wanted to leave a 17% tip because they thought the waiter did a

Dovator [93]

2.89 each person plus 7 for each meal total of 19.89

5 0

3 years ago

The value of (3^0+2^0) * 5^0<br><br>1<br>25<br>0<br>2

Ksivusya [100]

(3^0+2^0)(5^0)

=(3^0+2^0)(5^0)

=(3^0)(5^0)+(2^0)(5^0)

= 1 + 1

= 2

5 0

3 years ago

Read 2 more answers