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Evgesh-ka [11]
3 years ago
6

Plz help me ASAP! Answer the question in the picture below. Explain all of your steps.

Mathematics
1 answer:
ruslelena [56]3 years ago
8 0

Answer:

175 hope this helps


Step-by-step explanation:

Add 72 and 113

then subtract that from 360


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5x+1=3x+y=-15, what is x?
lidiya [134]

Answer:

-2

Step-by-step explanation:

:)

3 0
3 years ago
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A Department of Transportation report about air travel found that nationwide, 76% of all flights are on time. Base the following
ser-zykov [4K]

Answer:

30 flights are expected to be late.

Step-by-step explanation:

Consider the provided information.

A Department of Transportation report about air travel found that nationwide, 76% of all flights are on time.

That means 100-76% = 24% of all flights are not on time.

125 randomly selected flights.

We need to find flights would you expect to be late.

Flight expect to be late E(x) = nq

Here n is 125 and the probability of late is 24 or q = 0.24

Thus substitute the respective values in the above formula.

Flight expect to be late E(x) = 125 × 0.24 = 30

Hence, the 30 flights are expected to be late.

5 0
3 years ago
How do we find the perimeter of a shape 20mm 10mm 20mm 60mm 20mm
IRINA_888 [86]

Answer:

130mm

Step-by-step explanation:

I'm pretty sure you mean each of the sides is this length... so I'll go off of that. 20+10+20+60+20 is the addition for this problem.

20+10+20+60+20=130 is the answer.

6 0
3 years ago
If x^2=20 what is the value of x will give brainliest for answer
Schach [20]

Answer:

x² - 20 = 0

Using the quadratic formula

x =  \frac{ - b± \sqrt{( {b})^{2} - 4ac } }{2a}

a = 1 b = 0 c = -20

So we have

x =  \frac{ - 0 ±  \sqrt{ {0}^{2}  - 4(1)( -20)} }{2(1)}  \\  \\ x =  \frac{± \sqrt{80} }{2}  \\  \\ x =  \frac{±4 \sqrt{5} }{2}  \\  \\  \\ x = ±2 \sqrt{5}  \\  \\  \\ x = 2 \sqrt{5}  \:  \:  \: or \:  \:  \: x =  - 2 \sqrt{5}

Hope this helps you.

8 0
3 years ago
Find the cos of angle y
Minchanka [31]

ANSWER

\cos(y)  =  \frac{4}{5}

EXPLANATION

From the mnemonics SOH-CAH-TOA.

We want to find the cosine of y

CAH means cosine ratio involves adjacent over the hypotenuse.

\cos(y)  =  \frac{adjacent}{hypotenuse}

From the right by triangle, the side ajacent to angle y is 64 units and the hypotenuse is 80 units.

\cos(y)  =  \frac{64}{80}

\cos(y)  =  \frac{4}{5}

3 0
3 years ago
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