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zvonat [6]
3 years ago
5

a city known for it temperature extremes started the day at -5 degrees farenheit. the temperature increased by 78 degrees farenh

eit by midday and then dropped 32 degrees by nightfall
Mathematics
1 answer:
Zina [86]3 years ago
7 0
Temperature at nightfall = -5 + 78 - 32 = 41 degree Farenheit
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Given \qquad m \angle LONm∠LONm, angle, L, O, N is a straight angle. \qquad m \angle MON = 8x - 13^\circm∠MON=8x−13 ∘ m, angle,
Tamiku [17]

Answer:

<h3>\boxed{99°}</h3><h3 />

Step-by-step explanation:

m<MON = 8x - 13°

m<LOM = 7x - 17°

To find : m <MON

First, we have to find the value of x :

Create an equation

\mathrm{8x - 13 + 7x - 17 = 180} ( sum of angle in straight line )

Collect like terms

\mathrm{15x - 13 - 17 = 180}

Calculate

\mathrm{15x - 30 = 180}

Move constant to R.H.S and change its sign

\mathrm{15x = 180 + 30}

Calculate the sum

\mathrm{15x = 210}

Divide both sides of the equation by 15

\mathrm{ \frac{15x}{15}  =  \frac{210}{15} }

Calculate

\mathrm{x = 14}

Now, let's find the value of m<MON

\mathrm{8x - 13}

Plug the value of x

\mathrm{ = 8 \times 14 - 13}

Calculate the product

\mathrm{ = 112 - 13}

Calculate the difference

\mathrm{ = 99} °

Hope I helped!

Best regards!

6 0
3 years ago
SOMEONE PLEASE HELP ME!!!!! I NEED THIS!
snow_tiger [21]

Answer:

QR ≈ 16.3

Step-by-step explanation:

Since the figures are similar then the ratios of corresponding sides are equal, that is

\frac{MN}{QR} = \frac{MP}{QT} , substitute values

\frac{40.3}{QR} = \frac{57}{23} ( cross- multiply )

57 QR = 926.9 ( divide both sides by 57 )

QR ≈ 16.3 ( to the nearest tenth )

7 0
3 years ago
Find the measure of the missing angle.<br> 77°
Georgia [21]

Answer: The missing angle is 13°

Step-by-step explanation:

Let ∠B

be the missing angle.

Let ∠A

be the angle that measures

77∘Let ∠C

the right angle that measures

90∘

The following is true of all triangles:

∠A+∠B+∠C=180∘

Express the above equation as

∠B

in terms of the other angles:

∠B=180∘−∠A−∠C

Substitute the values for ∠A and ∠C

∠B=180∘−77∘−90∘

∠B=13∘

4 0
2 years ago
Please answer #’s 6-10
mr_godi [17]

Answer:

6-10 equals -3

Step-by-step explanation:

4 0
3 years ago
What is the engljsh phrases of 9y?
slava [35]

Answer:

Nine times y? Y=x/9? Not sure what your question is exactly.

Step-by-step explanation:

6 0
3 years ago
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