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3 years ago

For brainiest:):):):):):):):)

Mathematics

2 answers:

Ksenya-84 [330]3 years ago

7 0

answer for b is bfc and cfd
answer for c is bfd and bfa
answer for d is bfd and afe ;)))))

sukhopar [10]3 years ago

6 0

Answer:

Answer for b is BFC and CFD

Answer for c is BFD and BFA

Answer for d is BFD and AFE

I don't know about a sorry

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Solve for x I need help on this question

AlexFokin [52]

Answer:

$x\approx7.8$

Step-by-step explanation:

In relation to the given angle, we are given the triangle's opposite side and hypotenuse. Therefore, we use the sine function to set up a proportion and solve for the opposite side:

$sin(\theta)=\frac{opposite}{hypotenuse}$

$sin(23^\circ)=\frac{x}{20}$

$20sin(23^\circ)=x$

$x=20sin(23^\circ)$

$x\approx7.8$

Therefore, the length of the opposite side is about 7.8 units

3 0

3 years ago

A cab charges the following fare for each trip.

trasher [3.6K]

Answer:

$9.78

Let's be honest, you only need an answer right?

6 0

3 years ago

Taylor Swift bought 3 cokes and 2 hamburgers for $15. Kelly Clarkson bought 2 cokes and a hamburger for $9. How much did each co

Afina-wow [57]

$3 each cone I think

7 0

3 years ago

5. What is the solution to the equation -2.5(x-4)=-3x+4?

lana66690 [7]

Answer:

x = -12

Step-by-step explanation:

-2.5(x-4)=-3x+4

Distribute

-2.5x +10 = -3x +4

Add 3x to each side

-2.5x+10 +3x = -3x+4+3x

.5x +10 = 4

Subtract 10 from each side

.5x+10-10=4-10

.5x = -6

Divide by .5

.5x/.5 = -6/.5

x = -12

6 0

3 years ago

Read 2 more answers

Simplify each square root expression. Describe the simplified form of the expression as rational or irrational. In your final an

expeople1 [14]

Answer:

Part 1) 11 is a rational number

Part 2) $4\sqrt{3}$ is a irrational number

Step-by-step explanation:

we know that

A <u><em>Rational Number</em></u> is a number that can be made by dividing two integers

Part 1) we have

$\sqrt{121}$

we know that

$121=11^{2}$

substitute

$\sqrt{11^{2}}=(11^{2})^{\frac{1}{2}}=(11)^{\frac{2}{2}}=11$

Is a rational number, because i can express the number 11 as the ratio of two integers (as example 11/1)

Part 2) we have

$\sqrt{48}$

we know that

$48=2^{4}(3)$

substitute

$\sqrt{2^{4}(3)}=(2^{4}(3))^{\frac{1}{2}}=4\sqrt{3}$

Is a irrational number, because cannot be expressed as the ratio of two integers

3 0

3 years ago

Read 2 more answers