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Reika [66]
2 years ago
13

Johnny thinks that the slope of the line through (5,10) and (4,4) is -1/6. Is he correct? If he is explain why. If he’s not, pro

vide the correct answer and explain what he did wrong.
Mathematics
1 answer:
Dmitry [639]2 years ago
4 0

Answer:

Johnny is incorrect because the slope is actually 6.

Step-by-step explanation:

To find the slope:  m = \frac{y2 - y1}{x2 - x1}

<u>Step 1:  Plug in the points</u>

m = \frac{4 - 10}{4 - 5}

m = \frac{-6}{-1}

m = 6

Answer:  Johnny is incorrect because the slope is actually 6.

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The perimeter of triangle RXA is 24. If RX = 4 and RA = 11, find XP and PA
Tju [1.3M]
8 is the answer because when you add 11+4 you get 16 and then you would subtract that from 24 which would give you 8. Idk where you got "PA" ?

8 0
3 years ago
What is x given ABC~DBE.<br> Show your work
alexandr1967 [171]

x = 37.5 (or) \frac{75}{2}

Solution:

Given \triangle A B C \sim \triangle D B E

AC = 50, DE = 30, EC = 25, BE = x, BC = 25 + x

To find the value of x:

Property of similar triangles:

If two triangles are similar then the corresponding angles are congruent and the corresponding sides are in proportion.

$\frac{BE}{BC} =\frac{DE}{AC}

$\frac{x}{25+x} =\frac{30}{50}

Do cross multiplication, we get

50x=30(25+x)

50x=750+30x

Subtract 30x from both sides of the equation.

20x=750

Divide by 20 on both sides of the equation, we get

x = 37.5 (or) \frac{75}{2}

Hence the value of x is 37.5 or \frac{75}{2}.

5 0
3 years ago
Which equation has a constant of proportionality equal to 3333?
muminat

Answer:B

Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
How many centimeter squares would be wrapped around this rectangular prism?
denis23 [38]
You haven't told us whether the rectangular prism is the size of a pack of gum or more like the size of a cruise ship.

Whatever size it is, here's the number of centimeter squares you need to cover the whole outside of it:

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One batch of fruit punch contains 1/3 quart grape juice and 1/5 quart apple juice. Colby makes 11 batches of fruit punch. How mu
zhuklara [117]

Answer:

3.66666666667

Step-by-step explanation:

If you multiply the number of batches he makes and the amount of grape juice he needs for every quart, you get and answer of 3.66666666667.

1/3 * 11= 3.66666666667

If you need to round the answer it would be 3.67

8 0
3 years ago
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