3 years ago

Nvm I don't need no help

Mathematics

1 answer:

aleksklad [387]3 years ago

7 0

Answer:

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A window is designed as shown below. Find the value of x

Alex787 [66]

Answer:

x=20

Step-by-step explanation:

We know that a line is 180 degrees, and the base of the cemi-circle is a line. So, we would have:

x+7x+x=180

9x=180

x=20

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3 years ago

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A triangle has angles that measure 72.5 degrees and 32.7 degrees. What is the measure of the third angle?

astraxan [27]

72.5+32.7= 105.2
Triangle angles have to equal 180
180-105.2= 74.8
Third angle= 74.8 degrees

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Penelope earned $50 in May. She earned $60 in June.

laila [671]

Answer:

20% Increase

Step-by-step explanation:

Percentages can be put vice versa. So 20% Of 50 = 50% Of 20 Which Equals 10.

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3 years ago

An item is regularly priced at $65. Laura bought it at a discount of 15% off the regular price. How much did Laura pay?

Sonja [21]

Answer:

9.75

Step-by-step explanation:

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3 years ago

The first term of a geometric sequence is 32, and the 5th term of the sequence is 818 .

sammy [17]

Answer:

$32,24,18,\frac{27}{2} ,\frac{81}{8}$

Step-by-step explanation:

Let x, y , and z be the numbers.

Then the geometric sequence is $32,x,y,z,\frac{81}{8}$

Recall that term of a geometric sequence are generally in the form:

$a,ar,ar^2,ar^3,ar^4$

This implies that:

a=32 and $ar^4=\frac{81}{8}$

Substitute a=32 and solve for r.

$32r^3=\frac{81}{8}$

$r^4=\frac{81}{256}$

Take the fourth root to get:

$r=\sqrt[4]{\frac{81}{256} }$

$r=\frac{3}{4}$

Therefore $x=32*\frac{3}{4} =24$

$y=24*\frac{3}{4} =18$

$z=18*\frac{3}{4} =\frac{27}{2}$

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3 years ago