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3 years ago

Please help!

Mathematics

1 answer:

mina [271]3 years ago

7 0

Answer: A

Step-by-step explanation:

See how many times the coordinates are plot

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There are 36 ribbons of which 1/5 are yellow, 7/15 are pink and the remaining ribbons are

Kay [80]

Step-by-step explanation:

Let there be x blue ribbons

$\therefore \: \frac{1}{5} + \frac{7}{15} + x = 36 \\ \therefore \: \frac{1 \times 3}{5 \times 3} + \frac{7}{15} + x = 36 \\ \therefore \: \frac{3}{15} + \frac{7}{15} + x = 36 \\ \therefore \: \frac{3 + 7}{15} + x = 36 \\ \therefore \: \frac{10}{15} + x = 36 \\ \therefore \: x = 36 - \frac{10}{15} \\ \therefore \: x = \frac{36 \times 15 - 10}{15} \\ \therefore \: x = \frac{540 - 10}{15} \\ \therefore \: x = \frac{530}{15} \\ \therefore \: x = 35\frac{5}{15} \\ \\ \therefore \: x = 35\frac{1}{3} \: are \: blue. \\$

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4 years ago

What is the sum of the interior angles of the polygon shown below

Ipatiy [6.2K]

Answer:

900

Step-by-step explanation:

The sum of the interior angles of a polygon with n sides is given by the formula:

$S=(n-2)180$

The polygon given has 7 sides. Substitute 7 for n. Thus:

$S=(7-2)180\\S=5(180)\\S=900$

The sum of the interior angles is 900 degrees.

5 0

4 years ago

Why is 6/6 equivalent to 6

Elena-2011 [213]

Hey There!

$\frac{6}{6}$ does not equal to six, because when you see fractions with the same numerator and denominator you divide, so 6/6 equals one. Therefore, <span> $\frac{6}{6}$ does not equal to one.
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Have A Brainly Day :)

8 0

4 years ago

Read 2 more answers

An angle measures 146° more than the measure of its supplementary angle. What is the measure of each angle?

ziro4ka [17]

Answer:

163 degrees and 17 degrees

Step-by-step explanation:

x+y = 180

x-y = 146 then x = 146+y

substitute for x

146+y+y = 180

2y = 34

y = 17

x = 17+146 = 163

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3 years ago

If f(x) = 3x -11 , find -4f (-3)

gladu [14]

Answer:

Step-by-step explanation:

-4f(x)=-12x+44

-4f(-3)=36+44=80

6 0

3 years ago