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2 years ago

Solve for f. –2(f − 14) + 9 = 5 f =

Mathematics

1 answer:

Lubov Fominskaja [6]2 years ago

7 0

Answer:

f=37/7

Step-by-step explanation:

I hope this helps you

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For the choir concert, the choir director has asked that everyone wear either black pants or blue jeans. Three times as many stu

Katyanochek1 [597]

Answer: 33 students wore blue jeans .

Step-by-step explanation:

Let x be the number of black pants.

Given : For the choir concert, the choir director has asked that everyone wear either black pants or blue jeans.

Three times as many students wore black pants as blue jeans.

i.e. Number of blue pants = 4x

If there are forty-four students in the choir, then we have

$x+3x=44\\\\\Rightarrow\ 4x=44$

Divide both sides by 4 , we get

$x=11$

Thus , the number of black pants = 11

Then , the number of blue pants = $3\times11=33$

Therefore, 33 students wore blue jeans .

6 0

3 years ago

Please answer and explain how you did it.

alukav5142 [94]

Refer to the attached image.

Given: $m \angle A = 65^\circ$ and measure of exterior angle at C = $117^\circ$ .

We have to determine the measure of angle B and angle BCA.

By applying exterior angle property of the triangle which states:

"An exterior angle of a triangle is equal to the sum of the opposite interior angles".

So, exterior angle C = $m \angle A + m \angle B$

$117^\circ = 65^\circ+ m \angle B$

$m \angle B = 52^\circ$

Now, applying angle sum property in triangle ABC which states:

"The sum of all the angles of a triangle is 180 degrees".

$m \angle A + m \angle B + m \angle BCA = 180^\circ$

$65^\circ + 52^\circ + m \angle BCA = 180^\circ$

$117^\circ + m \angle BCA = 180^\circ$

$m \angle BCA = 180^\circ - 117^\circ$

$m \angle BCA =63^\circ$

Therefore, the measure of $m \angle B = 52^\circ$ and $m \angle BCA =63^\circ$ .

8 0

2 years ago

A store is having a 25% off sale on all shirts. Select all of the possible ways to calculate the sale price for a shirt that nor

maw [93]

Answer:

A,B, and C

Step-by-step explanation:

25%of 24 is 6, 24-6=18(new price)

A.24-(0.25×24)=24-6=18

B.(0.75)×24=18

C.(0.25×24)×3= 6×3=18

6 0

2 years ago

Will give brainliest, can somebody help me with this question

Andrew [12]

Answer:

A = 5x + 5

Step-by-step explanation:

Area of Parallelogram Formula: A = bh

Since we are given <em>b</em> = 5 and <em>h</em> = x + 1, simply plug it into the formula:

A = 5(x + 1)

A = 5x + 5

4 0

2 years ago

Read 2 more answers

The diameter of the sun is about 1.4x10^6 km. The diameter of the planet Mars is about 7000 km. What is the approximate ratio of

Alborosie

Answer:

b is the correct answer

5 0

3 years ago