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ohaa [14]
3 years ago
8

Please help. Jacob sells homemade skateboard decks for a profit of $27 per deck. He is considering switching to a new type of ma

terial that will increase his profit, as expressed by the function y = 32x, where x is the number sold and y is the amount of profit. How many more dollars will Jacob earn on each skateboard deck if he switches to the new material? Explain how you found your answer.
Mathematics
1 answer:
nordsb [41]3 years ago
6 0

Answer:

$5

Step-by-step explanation:

32-27 = 5

because he was earning 27 per skate board, that function shows him earning 32 per skate board which is an increase of $5.

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∠1 and ∠2 are complementary angles. If ∠1 measures 35º, what is the measure of ∠2?​
max2010maxim [7]

Answer:

55 degrees

Step-by-step explanation:

Complementary angles are two angles that equal 90 degrees together so if one angle is 35 degrees then the other must be able to add towards that to make 90 degrees

90=35+∠2

-35     -35

55=∠2

6 0
3 years ago
Evaluate summation of negative quantity n minus 5 end quantity from n equals 2 to 8
nydimaria [60]
One way of doing it is by using the properties of summing things, like factoring out the minus sign: <span><span>∑<span>n=2</span>8</span><span>−(n−5)</span>=−<span>∑<span>n=2</span>8</span><span>(n−5)


</span></span> and splitting it up into two parts and again factor <span>=−<span>(<span><span>∑<span>n=2</span>8</span><span>n−5<span>∑<span>n=2</span>8</span>1</span></span>)


</span></span> The last sum is just counting how many numbers there are from 2 to 8, which is 7 (you can do it on your fingers). The first one can be calculated fast if we are clever and use this identity:

<span><span>∑<span>n=1</span>m</span>n=<span><span>m(m+1)</span>2


</span></span> So what we get is <span><span>=−<span>(<span>−1+<span><span>8(8+1)</span>2</span>−7</span>)</span>=8−72/2=8−36=−28.</span></span>
3 0
3 years ago
Rewrite using a single positive exponent.<br> 78<br> 73
vivado [14]
Hey! I don’t know if this is what you mean.. but I tried to understand it.

78^1
73^1

Have a good day :)
3 0
3 years ago
Which of the following is equivalent to the equation 4x+7y=z?
shtirl [24]

Answer:

x = 1.75y + 0.25z

Step-by-step explanation:

Simplifying

4x + -7y = z

Solving

4x + -7y = z

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '7y' to each side of the equation.

4x + -7y + 7y = 7y + z

Combine like terms: -7y + 7y = 0

4x + 0 = 7y + z

4x = 7y + z

Divide each side by '4'.

x = 1.75y + 0.25z

Simplifying

x = 1.75y + 0.25z

5 0
3 years ago
Read 2 more answers
The living spaces of all homes in a city have a mean of 2300 square feet and a standard deviation of 500 square feet. Let x be t
antoniya [11.8K]

Answer:

the mean and standard deviation is 2300 and 100 respectively

Step-by-step explanation:

Given that

Mean = 2300

Standard deviation = 500

let us assume the x be the mean of living space

And, the sample is of 25 homes

We need to find out the mean and the standard deviation

So here mean = 2300

And, the standard deviation

= 500 ÷√25

= 500 ÷ 5

= 100

hence, the mean and standard deviation is 2300 and 100 respectively

3 0
3 years ago
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