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Otrada [13]
3 years ago
10

Find the value of x need help fast​

Mathematics
1 answer:
Rashid [163]3 years ago
5 0

Answer:

x = 30

Step-by-step explanation:

2x + x + 90 = 180

3x + 90 = 180

3x = 90

x = 30

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PLEASE HELP IF WRONG WILL REPORT!
Simora [160]

Answer:

D

Step-by-step explanation:

Because the angle with measure 29 degrees and n are a linear pair, their value must add up to 180 degrees. Therefore:

n+29=180

n=180-29

n=151 degrees, or answer choice D

Hope this helps!

5 0
3 years ago
In ΔWXY, w = 880 cm, ∠X=33° and ∠Y=38°. Find the length of y, to the nearest centimeter.
vladimir2022 [97]

Answer:

y\approx573cm

Step-by-step explanation:

First, take a look to the picture that I attached,  however please note the triangle is not drawn to scale, the figure is just to provide visual aid. As you can see the value of \angle W =109^{\circ} this is because of the sum of the interior angles in a triangle is always equal to 180°. So:

\angle W + \angle X + \angle Y =180\\\\\angle W = 180- \angle X -\angle Y\\\\\angle W =180-38-33\\\\\angle W=109

Now, we can use the law of sines, which states:

\frac{w}{sin(W)} =\frac{x}{sin(X)} =\frac{y}{sin(Y)}

Hence:

\frac{w}{sin(W)} =\frac{y}{sin(Y)}\\\\\frac{880}{sin(109)} =\frac{y}{sin(38)}\\\\Solving\hspace{3}for\hspace{3}y\\\\y=\frac{880*sin(38)}{sin(109)} \\\\y=572.9999518\approx 573 cm

3 0
3 years ago
The radius is cm.
Elza [17]

Answer:

The radius is 1.75 cm, 1 3/4 cm, or 7/4 cm (all the same, just in different forms)

The circumference in terms of π is 7/2(π) cm, 3.5(π), or 3 1/2(π) cm (all the same, just in different forms)

The approximate circumference of the circle is 10.99 or 11 cm. (don't know if it's supposed to be rounded)

Step-by-step explanation:

Radius = 1/2 of the diameter, so 1/2 of 7/2 is 1.75, 1 3/4, or 7/4 cm.

Circumference in terms of pi means to not approximate pi. Circumference of circle is πd, so the exact circumference would be 7/2 pi cm, 3.5 pi cm, or 3 1/2 pi cm.

3.5 x 3.14 = 10.99. 10.99 cm ≈ 11 cm.

3 0
2 years ago
Round 23.2736 to the nearest thousandth​
alekssr [168]

Answer:

23.274

Step-by-step explanation:

Here, rounding to the nearest thousandth means rounding to the nearest 0.001.

Hence, due to the digit being rounded having a number larger than 5 after it (0.2736), it is rounded up.

Hope this helped!

5 0
3 years ago
368.54 = ( _ x 100) + ( _ x 10) + ( _ x 1/10) + ( _ x 1/100)
SCORPION-xisa [38]

Answer:

368.54 = 3*100 + 6.8*10 +5*1/10 + 4*100

Step-by-step explanation:

Given

368.54 = ( [\ ] * 100) + ( [\ ] * 10) + ( [\ ] * 1/10) + ( [\ ] * 1/100)

Required

Fill in the gap

The number can be expressed as:

368.54 = 300 + 60 + 8 +0.5 + 0.04

Factorize:

368.54 = 3*100 + 6*10 + 0.8*10 +5*1/10 + 4*100

Factor out 10 in 6 * 10 + 0.8 * 10

368.54 = 3*100 + [6 + 0.8]*10 +5*1/10 + 4*100

368.54 = 3*100 + 6.8*10 +5*1/10 + 4*100

<em><u>Solved</u></em>

4 0
3 years ago
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