2 years ago

Help pleaseee will mark brainliest

Mathematics

1 answer:

STatiana [176]2 years ago

4 0

Ais the answer I’m pretty sure

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8 4/5 - 2/3 - ? = 3 1/10

Dimas [21]

Answer: 5 1/30

Step-by-step explanation:

8 + 4/5 - 2/3 - 3 - 1/10 = 5 + 1/30

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2 years ago

A lighthouse casts a 128-ft shadow. A nearby lamppost that measures 5

olga nikolaevna [1]

Answer: 80 feet

Step-by-step explanation:

We can write these as fractions and do cross multiplication with the numerator being the height of the object while the denominator being the length of the shadow:

5 * 128 = 8x

640 = 8x

80 = x

Thus, the height of the lighthouse is 80 feet tall.

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3 years ago

The midpoint of RT is S(0.5, –6.25). One endpoint is T(–5.5, 2.75). What are the coordinates of R?

IrinaK [193]

<span>(6.5, –15.25) Is the answer.</span>

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2 years ago

Read 2 more answers

Find the slope of the line (4,5),(-3,-1)

koban [17]

Step-by-step explanation:

${ \rm{slope = \frac{y _{2} - y _{1} }{x _{2} - x _{1} } }} \\$

• y2 → -1

• y1 → 5

• x1 → 4

• x2 → -3

${ \tt{slope = \frac{ - 1 - 5}{ - 3 - 4} }} \\ \\ { \tt{slope = \frac{ - 6}{ - 7} }} \\ \\ { \boxed{ \tt{ \: slope = \frac{6}{7} }}}$

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2 years ago

Business people have determined that three fourths of the items on a mailing list will change in one year. A business has a mail

Aliun [14]

1695 will be incorrect.

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2 years ago