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3 years ago

__(_+_)=18 what number will give 18

Mathematics

1 answer:

MatroZZZ [7]3 years ago

5 0

3(3+3)=18
Because 3+3=6 and multiply six by three equals eighteen

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D-21.4=87.9 Explain your answer

larisa [96]

D-21.4=87.9 \ solve for D

add 21.4 to both sides
D - 21.4 +21.4 =87.9 + 21.4

simplify
D = 109.3

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3 years ago

Which table represents an exponential function?

slavikrds [6]

Answer:

Step-by-step explanation:

The second one.

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The whole sale cost of bicycle is $75. There is a mark up of 55%. What is the new sale price of the bike

blsea [12.9K]

Answer:

$116.25

Step-by-step explanation:

10% = $7.50

5% = $3.75

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Hope this helps !

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2 years ago

Which answer choice shows the decimals in order from least to greatest?

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Answer:

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3 years ago

Consider this right triangle. 21 29 20 Enter the ratio equivalent to s

AleksAgata [21]

Answer:

Part 1) $sin(B)=\frac{21}{29}$

Part 2) $csc(A)=\frac{29}{20}$

Part 3) $cot(A)=\frac{21}{20}$

Step-by-step explanation:

The complete question is

Consider this right triangle. 21 29 20 Write the ratio equivalent to: Sin B - CscA- Cot B

The picture of the question in the attached figure

Part 1) Write the ratio equivalent to: Sin B

we know that

In the right triangle ABC

$sin(B)=\frac{AC}{AB}$ ----> by SOH (opposite side divided by the hypotenuse)

substitute the values

$sin(B)=\frac{21}{29}$

Part 2) Write the ratio equivalent to: Csc A

we know that

In the right triangle ABC

$csc(A)=\frac{1}{sin(A)}$

$sin(A)=\frac{BC}{AB}$ -----> by SOH (opposite side divided by the hypotenuse)

substitute the values

$sin(A)=\frac{20}{29}$

therefore

$csc(A)=\frac{29}{20}$

Part 3) Write the ratio equivalent to: Cot A

we know that

In the right triangle ABC

$cot(A)=\frac{1}{tan(A)}$

$tan(A)=\frac{BC}{AC}$ -----> by TOA (opposite side divided by the adjacent side)

substitute the values

$tan(A)=\frac{20}{21}$

therefore

$cot(A)=\frac{21}{20}$

4 0

3 years ago