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Sunny_sXe [5.5K]
3 years ago
8

A train travels at a constant speed of 35 mi/h.

Mathematics
1 answer:
Alla [95]3 years ago
7 0
It takes the train 14hours to travel 490mi
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Define standard of living and summarize in your own words the relationship between standard of living, cost of living, and stage
svetlana [45]

Standard of living refers to the level of wealth, comfort, material goods and necessities available to a certain socioeconomic class or geographic area. Cost of living is the amount of money needed to cover basic expenses such as housing, food, taxes, and healthcare in a certain place and time period. Stage of life refers to the different phases of life that all individuals pass through in a normal lifetime.

8 0
3 years ago
Given that Triangle ABC such that<br>a=8cm, b=7cm and c=9cm<br>tem and c= 9cm find Cos B​
charle [14.2K]

Answer:

We use cosine rule also called cosine law which states

c^2=a^2+b^2-2abcosC

given

a=8cm, b=7cm, c=9cm cos C?

9^2=8^+7^2-2*8*7 cos C

expand

81=64+49-112 cos C

like terms together

81-113=-112 cos C

-32=-112cos C

multiply both sides by -1

32=112cos C

divide both sides by 112

32/112=cos C

cosC=0.2857

find cos inverse of 0.2857

angle C= 73.40

4 0
3 years ago
Functions order from least to greatest answers and explanation pleaseee!!
TiliK225 [7]
C, A, B

A’s rate if change:
3

B’s rate of change:
(10 - 0) / (-2 - (-4)) = 10 / 2
5

C’s rate of change:
1
4 0
2 years ago
A gym employee is paid monthly.after working for 3 months he had earned $4,500. To determine how much money he will make over a
Soloha48 [4]
He would make $9,000 in 6 months
6 0
3 years ago
What is 5/8 divided by 1/4
Llana [10]

Answer:

Exact form: 5/2

Decimal form: 2.5

Mixed number form: 2 and 1/2

Step-by-step explanation:

when you divide a fraction you keep, change, flip

Equation: 5/8 ÷ 1/4

keep 5/8 the same

change the divide symbol into a multipulcation symbol

flip 1/4 the other way, so it's 4/1 (it's a whole number now)

then just multiply across

Equation now: 5/8 × 4/1

6 0
3 years ago
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