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Sav [38]
3 years ago
8

A, B and C lie on a straight line.Given that angle y = 135° and angle z = 97°, work out x.​

Mathematics
1 answer:
Over [174]3 years ago
8 0

Answer:

135°+97°+x=180°. 232°+x=180°. x=232-180=102°

:x=102°

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A kite has a height of 36 inches and a width of 30 inches. Explain how to use the area formula for a triangle to find the area o
mote1985 [20]

Height of the kite is = 36 inches.

Width of the kite is = 30 inches

One of the ways to find the area is to draw a vertical line to break the kite into two equal triangles. Mark the base as 36 inches and height as 15 inches .

Now we will use the formula area=\frac{1}{2}*base*height to find the area of each triangle. Then we will add both the areas to find the area of the kite.

Area of 1 triangle = \frac{1}{2}*36*15 = 270 square inches

Area of the 2nd triangle is also = 270 square inches

Hence, area of the kite = 270+270 = 540 square inches

8 0
3 years ago
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Is my answers correct?
scoundrel [369]
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6 0
3 years ago
A private opinion poll is conducted for a politician to determine what proportion of the population favors adding more national
Ksju [112]

Answer:

n≅376

So sample size is 376.

Step-by-step explanation:

The formula we are going to use is:

n=pq(\frac{z_{\alpha/2}}{E})^{2}

where:

n is the sample size

p is the probability of favor

q is the probability of not in favor

E is the Margin of error

z is the distribution

α=1-0.98=0.02

α/2=0.01

From cumulative standard Normal Distribution

z_{\alpha/2}=2.326

p is taken 0.5 for least biased estimate, q=1-p=0.5

n=0.5*0.5(\frac{2.326}{0.06})^{2}\\n=375.71

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4 0
4 years ago
Instructions: Use the image and your knowledge of the<br> isosceles triangle to find the value of 2.
xz_007 [3.2K]

Answer:

x = 36˚

Step-by-step explanation:

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2 years ago
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I don't know the answer to this one but here you are

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3 years ago
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