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Juli2301 [7.4K]
3 years ago
10

Please explain your answer and dont give me any websites thanks

Mathematics
1 answer:
rusak2 [61]3 years ago
5 0

Answer:

z= 30

Step-by-step explanation:

Hope this helps answer your question(s). Please mark brainliest and enjoy the rest of your day!

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Une boxes.<br> Find:<br> 5% of 90 m =<br> m<br> 25% of 88 kg =<br> kg<br> 75% of 264 =
makkiz [27]

Answer:

1) 5% of 90m= 4.5m

2)25% of 88kg = 22kg

3) 75% of 264= 198

Step-by-step explanation:

1) 90m = 100% (divide by 10)

9 = 10% (divide by 2)

4.5 = 5%

2) 88kg = 100% (keep on dividing by 2)

44kg = 50%

22kg=25%

3) 264 = 100%

132 = 50%

66 = 25% (add)

198=75%

3 0
3 years ago
What is the equation in point−slope form of the line passing through (−2, −5) and (2, 3)?
blagie [28]
Your answer would be c)

Point slope form formula is y-y1=m(x-x1), where m is slope and x1 and y1 are coordinates to a point on your graph.

To find your slope, you will need to use the formula y2-y1/x2-x1, also known as change in y over change in x or rise over run. So then you would have [3-(-5)]/[2-(-2)], which gives you slope (m) =2.

Then you can rule out letters A and D because the slope in those answers is incorrect (-2).

Next, you take your coordinate points (x,y) (2,3) and substitute them in your equation.

So, you have y-3=2(x-2)

*notice that the difference between b and c is that the x and y values on the coordinate points are in the wrong places. You need to have y-(your y coordinate) and then x-(your x coordinate) in your point slope equation.

3 0
3 years ago
-7x-3x+2=-8x-8 solve the equation for the variable show work
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Answer:

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Step-by-step explanation:

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3 years ago
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F(x)=ax+b/2 then f^-1 (x-1) =2x-5/2 find a and b​
krok68 [10]

From the given inverse function, we have

f^{-1}(x-1) = 2x - \dfrac52 \\\\ \implies f^{-1}(x) = f^{-1}((x+1)-1) = 2(x+1) - \dfrac52 = 2x-\dfrac12

By definition of inverse function,

f\left(f^{-1}(x)\right) = x

so that

f\left(2x-\dfrac12\right) = x

a\left(2x-\dfrac12\right) + \dfrac b2 = x

2ax - \dfrac a2 + \dfrac b2 = x

\implies\begin{cases}2a=1 \\\\ -\dfrac a2+\dfrac b2 = 0\end{cases}

\implies \boxed{a=\dfrac12}

\implies \dfrac b2 = \dfrac a2 \implies \boxed{b=\dfrac12}

8 0
2 years ago
What is the sale price if an item selling for $10 id discounted 20%
lana [24]

Answer:

$8

Step-by-step explanation:

20% of 10 is 2 so 10-2=8

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3 years ago
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