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AysviL [449]
3 years ago
11

Harold bought 3 pounds of red apples and 4.2 pounds of green apples from a grocery store, where both kinds of apples are 1.75 a

pound. how much did harold spend on apples?
Mathematics
1 answer:
umka2103 [35]3 years ago
8 0
-----------------------------------------
Total weight of the apples:
-----------------------------------------
3 + 4.2 = 7.2

-----------------------------------------
Cost of the apples:
-----------------------------------------
7.2 x 1.75 = $12.60

-----------------------------------------
Answer: Harold spent $12.60.
-----------------------------------------
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3 sides of the triangle are distinct prime numbers. What is the smallest possible perimeter of the triangle?
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Answer:

the smallest possible perimeter is 6

Step-by-step explanation:

since the smallest possible prime number is 2 it would make since if each side is 2 which makes the smallest perimeter possible. i really hope this helped :)

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What is a real life word problem for the equation y=2x
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Answer:

You want to buy some golden apples. Each golden apple cost $2. How much much does golden apples pass cost?

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The expression 9x2 - 5x - 7 has ___ terms and a constant of ___.
lukranit [14]
Here r ur terms : (9x^2) , (-5x) , (-7)......so there r 3 terms
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Helpppp me please!!!
Semenov [28]

To find the value of q, we need to find d(-8). Put another way, we need to find the value of d(x) when x = -8

d(x) = -\sqrt{\frac{1}{2}x+4}

d(-8) = -\sqrt{\frac{1}{2}(-8)+4}

d(-8) = -\sqrt{-4+4}

d(-8) = -\sqrt{0}

d(-8) = 0

So this means q = 0. Note that -0 is just 0.

===========================================

The value of r will be a similar, but now we use f(x) this time.

Plug in x = 0

f(x) = \sqrt{\frac{1}{2}x+4}

f(0) = \sqrt{\frac{1}{2}*0+4}

f(0) = \sqrt{0+4}

f(0) = \sqrt{4}

f(0) = 2

Therefore, r = 2.

===========================================

For s, we plug x = 10 into f(x)

f(x) = \sqrt{\frac{1}{2}x+4}

f(10) = \sqrt{\frac{1}{2}*10+4}

f(10) = \sqrt{5+4}

f(10) = \sqrt{9}

f(10) = 3

So s = 3.

===========================================

Finally, plug x = 10 into d(x) to find the value of t

d(x) = -\sqrt{\frac{1}{2}x+4}

d(10) = -\sqrt{\frac{1}{2}(10)+4}

d(10) = -\sqrt{5+4}

d(10) = -\sqrt{9}

d(10) = -3

A shortcut you could have taken is to note how d(x) = -f(x), so this means

d(10) = -f(10) = -9 since f(10) = 9 was found in the previous section above.

Whichever method you use, you should find that t = -3.

===========================================

<h3>In summary:</h3><h3>q = 0</h3><h3>r = 2</h3><h3>s = 3</h3><h3>t = -3</h3>
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Does the 9 go on the left of the point or right and why
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It goes above the 3 because 7 does not go into 6
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