7 out of 10 students got full marks on their test, calculate the angle you would use in a pie chart to show this

Answers

Answer 1

Answer: its simple 7/10=0,7 right? then 0,7x360= 252 degrees in that pie chart

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Which expression is equivalent to 8a + 20?A. 4(2a + 20)
B. 4(2a + 5)
C. 4(4a + 16)
D. 4(4a + 5)

Answers

The expression 8a + 20 is equivalent to the expression 4(2a + 5). Then the correct option is B.

What is an equivalent expression?

The equivalent is the expression that is in different forms but is equal to the same value.

The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.

The expression is given below.

⇒ 8a + 20

Factorize the terms of the expression, then we have

⇒ 4 × 2a + 4 × 5

Take 4 common from both terms, then we have

⇒ 4 × 2a + 4 × 5

⇒ 4 (2a + 5)

The expression 8a + 20 is equivalent to the expression 4(2a + 5). Then the correct option is B.

More about the equivalent link is given below.

brainly.com/question/889935

#SPJ3

B since 4 times 2 is 8 and 4 times 5 is 20

Which expression is equivalent to(2x^5+7x^3)-(5x^2-4x^3)

Answers

Answer:

The equivalent expression is $2x^5+11x^3-5x^2$

Step-by-step explanation:

Given: $(2x^5+7x^3)-(5x^2-4x^3)$

Here we have expression and to simplify it

$\Rightarrow (2x^5+7x^3)-(5x^2-4x^3)$

Distribute minus sign

$\Rightarrow 2x^5+7x^3-5x^2+4x^3$

Combine the like terms (whose variable part same)

$\Rightarrow 2x^5+(7x^3+4x^3)-5x^2$

$\Rightarrow 2x^5+11x^3-5x^2$

Equivalent expression $\Rightarrow 2x^5+11x^3-5x^2$

Hence, The equivalent expression is $2x^5+11x^3-5x^2$

Hi

(2x⁵+7x³) - (5x²-4x³) = 2x⁵+7x³-5x²+4x³ = 2x⁵+11x³-5x²

Answer: 2x⁵+11x³-5x²

How do you round 70.140 to nearest tenth

Answers

in the number 70.140, the 1 is the tenth place so to round to nearest tenth place you look at one place over (hundredth) in this case it is the 4. if the number in the hundred place is 5 or greater then you round the number in the tenths one digit up.
in this case the number in the hundredth place is under 5 so we keep the number in the tenths place,
so the answer would just be 70.1

70.100

the tenth in this number is the one after the decimal point. if the number after the number you are rounding(4) is greater than or is 5 the number you are rounding goes up. if its lower than 5 the number you are rounding stays the same.

Select the true statement about triangle ABC. Need answer asap

Answers

Answer: The correct option is

(B) $\sin C=\cos A.$

Step-by-step explanation: We are given to select the true statement about the triangle ABC shown in the figure.

From the figure, we note that

triangle ABC is right-angled at angle B, where hypotenuse, AC = 13, BC = 5 and AB = 12.

From the trigonometric ratios, we have

$\sin A=\frac{\textup{perpendicular}}{\textup{hypotenuse}}=(BC)/(AC)=(5)/(13),\n\n\n\cos A=\frac{\textup{base}}{\textup{hypotenuse}}=(AB)/(AC)=(12)/(13),\n\n\n\cos B=\frac{\textup{base}}{\textup{hypotenuse}}=(BC)/(AC)=(5)/(13),\n\n\n\sin C=\frac{\textup{perpendicular}}{\textup{hypotenuse}}=(AB)/(AC)=(12)/(13),\n\n\n\sin A=\frac{\textup{perpendicular}}{\textup{hypotenuse}}=(BC)/(AC)=(5)/(13),\n\n\n\tan A=\frac{\textup{perpendicular}}{\textup{base}}=(BC)/(AB)=(5)/(12).$

Therefore, we get

$\sin C=\cos A.$

Thus, option (B) is CORRECT.

B. sinC= cosA
Remember SohCahToa.
The sine is equal to opposite/hypotenuse and cosine is equal to adjacent over hypotenuse.
The sine of C is 12/13 and the cosine of A is 12/13.

What is the balance on a deposit of $1,150 that earns 9% interest compounded annually for 2 years

Answers

Step One: Calculate interest.

$1150*0.09=103.5$

Step Two: Calculate the amount at the end of the first year.

$1150+103.5=1253.5$

Step Three: Calculate the amount at the end of the second year. This will be your final answer.

$1253.5+103.5=1357$

$1357 balance

CAN SOMEBODY HELP ME WITH THIS PROBLEM PLZZZ

Answers

Answer:

308

Step-by-step explanation:

The answer is 308 feet

Answer:

Step-by-step explanation:

Make an equation using the law of sines.

sin(72)/x = sin(18)/100

Then solve for x.

x = 308

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