2 years ago

In ΔABC, the measure of ∠C=90°, the measure of ∠B=15°, and BC = 2.8 feet. Find the length of CA to the nearest tenth of a foot.

Mathematics

1 answer:

8090 [49]2 years ago

7 0

Answer:0.8 feet

Step-by-step explanation:got it right

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Since 1995 the cost of a bag of groceries has increased about 2.5% each year. The equation C = 25(1.025)x will give the value of

Marianna [84]

Answer: 28 years

Step-by-step explanation:

Given

The equation showing the value of the bag after x years is $C=25(1.025)^x$

If the price of the bag increased by 2.5%, from the equation, we can deduce that

Initial cost of the bag is 25

Double of the initial value is 50

Insert it in the equation

$\Rightarrow 50=25(1.025)^x\\\Rightarrow 2=1.025^x\\\text{Taking natural log}\\\Rightarrow \ln 2=x\ln (1.025)\\\\\Rightarrow x=\dfrac{\ln 2}{\ln 1.025}\\\\\Rightarrow x=28.07\approx 28$

It will take 28 years

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3 years ago

Find the percent of change from the original price of $184 to the sale price of $138.

Rzqust [24]

Answer: 25%

Step-by-step explanation:

184-138= 46

184*.25=46

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3 years ago

A rectanglelar field has an area of 2100 square feet. The length of the field is 50 feet

Setler [38]

Answer: 42 feet

Step-by-step explanation:

P-area of field

P=2100sqf

a-length of field

a=50 feet

P=a*b

2100sqf=50*b

b=2100/50

b=42 feet

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3 years ago

Dill crawled 12 feet as Chuckie walked 20 yards. How many more feet did Chuckie travel?

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He traveled 48 feet more or you could say he traveled 16 yards more

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0024r8 is the answer of your problem.

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