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nata0808 [166]
3 years ago
13

Solve. 3 + 4(w + 5) = 31

Mathematics
2 answers:
katen-ka-za [31]3 years ago
7 0

Answer:

w=2

Step-by-step explanation:

3 + 4(w + 5) = 31

distribute 4(w + 5)

4 x w = 4w

4 x 5 = 20

rewrite your equation

3 + 4w + 20 = 31

add like terms

3 + 20 = 23

rewrite equation

4w + 23 = 31

subract 23 on both sides

4w + 23 = 31

-23 -23

4w = 8

divide by 4 on both sides to get w by itself

4w = 8

4      4

w = 2

Anon25 [30]3 years ago
6 0

Answer:

<h2>8/4</h2>

We have,

3+4(w+5)

=31 Or, 3+20+4w

=31 or, 4w

=31−23

w=8/4

Thus, w comes out to be 2 .

Step-by-step explanation:

Hope it is helpful....

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14 x blank x blank =169 I need help with the blanks because 169 is the face area.
luda_lava [24]
Answer:

Volume of the rectangular prism = 2366 cubic inches

Explanations:

The volume of a prism = Base Area x Height

In this case, the base area is referred to as the face area

Base area = 169 square inches

Height = 14 inches

Volume of the prism = 169 x 14

Volume of the rectangular prism = 2366 cubic inches

8 0
1 year ago
At the Grassy Meadows Mennonite School, the total number of students in grade 7-9 is the lowest commom multiple of the numbers o
kobusy [5.1K]

Answer:

Seven  

Step-by-step explanation:

Let G7, G8, and G9 be the numbers of students in the respective grades.

Then, G7 + G8 + G9 = LCM of G8 and G9

<em>Data: </em>

G8 = 5

G9 = 3

<em>Calculations: </em>

<em>Multiples of 5</em>: 1 2          10 15

<em>Multiples of 3</em>: 1   3 6 9       15

The <em>LCM</em> of 5 and 3 is 15.

G7 + 5 + 3 = 15     Combine like terms

     G7 + 8 = 15     Subtract 8 from each side

           G7 = 7

There are seven students in Grade 7.


4 0
3 years ago
Find the size of each of 66 payments made at the end of each year into a 88​% rate sinking fund which produces ​$36000 at the en
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Answer: $7787.99

Step-by-step explanation:

We know that the formula to find the periodic payment on an annuity is given by :-

P=\dfrac{r(PV)}{1-(1+r)^{-n}}, where PV is the present value , r is the rate of interest ( in decimal ) and n is the number of payments.

Given : Present value : $36000

Rate of interest = 8%=0.08

Time period = 6 years

Then , the periodic payment will be :-

P=\dfrac{(0.08)(36000)}{1-(1+0.08)^{-6}}\\\\\Rightarrow\ P=\dfrac{2880}{0.3698}\\\\\Rightarrow\ P=\$7787.99

Hence, the payment size is $7787.99.

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If the output and input of a linear equation are proportional, where will the graph of the equation cross the x-axis?
mars1129 [50]

Answer:??? I don't know

Step-by-step explanation:

???

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2 years ago
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