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3 years ago

7

The product of a number and 9, increased by 4, is 58. Find the number.

1 answer:

diamong [38]3 years ago

4 0

9x + 4 = 58
9x = 54
x = 6

The number is 6.

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In triangle NOP, Np is extended through Point P to Point Q, m < NOP =(x+17) degrees, m< PNO =(2x-4) degrees, and m< OPQ

Zigmanuir [339]

To find the measure of angle OPQ, we have two equations...
y+5x-17=180 because angles OPN and OPQ are supplementary...
AND
x+17+2x-4+y=180 because the total degrees of a triangle must add up to 180.
The equations...
5x+y=197
3x+y=167
solce the system of equations...
x=15
y=122
Since we wanted to solve for y, 122 is the answer.
The measure of angle OPQ is 122.

Sorry this took forever. The website is hard to use because I'm used to using the app:)

Best of wishes!

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3 years ago

A family of 5 people attends a theme park. the purchase 2 adult tickets for $27.50 each and 3 student tickets for $12.50 each. i

pickupchik [31]

They should get $7.50, because you multiply the adults by two, then the children by three, and add it all together

8 0

3 years ago

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What decimal is equivalent to 1.25%

matrenka [14]

The answer is 0.0125

5 0

3 years ago

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(4x + 3)(4x - 3)<br> Help pls

tekilochka [14]

Answer:

$16x^2-9$

Step-by-step explanation:

$\left(4x+3\right)\left(4x-3\right)$

We´ll <u>Apply Difference Two Squares Formula:</u>

$\left(a+b\right)\left(a-b\right)=a^2-b^2$

$\longmapsto$ $\left(4x+3\right)\left(4x-3\right)$

$\longmapsto$ $\left(4x\right)^2-3^2$

<u>Apply exponent rule</u>:

$\left(a\times \:b\right)^n=a^nb^n$

$\longmapsto$ $4^2x^2-3^2$

$\longmapsto$ $16x^2-9$

_________________________

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2 years ago

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SSSSS [86.1K]

It’s the 3rd one hopefully this helps

5 0

3 years ago