3 years ago

Can someone help me on all three of these

Mathematics

1 answer:

Lera25 [3.4K]3 years ago

4 0

5).85 6.)100 7.)40hope this helps this id what im positive of

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A triangle can be formed with side lengths 4 in, 5 in, and 8 in. (5 points) False True

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True

Step-by-step explanation:

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3 years ago

Solve the formula 4x+7y=9 for y.

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X=0.5
y=1

(4x0.5) + (7x1) = 9
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How do you write -1.838383

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4 years ago

PLEASE ITS DUE TODAY

kozerog [31]

Answer:

Answers are 20, 12 and 16

Step-by-step explanation:

Y=4x

for x = 5

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2 years ago

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Dana can type nearly 90 words per minute. Use this information to find the number of hours it will take her to type 2.6 x 105 wo

Vlad1618 [11]

Dana can type 90 words per minute.

Since, 1 minute = $\frac{1}{60}$ hours

Therefore, number of words she can type = $\frac{90}{\frac{1}{60}}$

= 90×60

= 5400 words per hour

If she types $2.6\times 10^5$ words in 'x' hours.

Number of words Dana types with the given speed in 'x' hours = Speed of typing × Time

= $5400\times x$

Therefore, $5400\times x =2.6\times 10^5$

$5400x=260000$

$x=\frac{260000}{5400}$

$x=48.15$ hours

Therefore, Dana types $2.6\times 10^5$ words in 48.15 hours.

Learn more,

brainly.com/question/621754

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3 years ago