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4 years ago

HELP PLEASE 5 points

Mathematics

2 answers:

ikadub [295]4 years ago

8 0

Answer

the next step is either 7-2 or 5 (Subtracting 2 from both sides)

solution is 20

Step-by-step explanation:

Bumek [7]4 years ago

3 0

Answer:

5=p/4

Step-by-step explanation:

When you subtract 2 for both sides you are left with 5=p/4. The 2 was eliminated because 2-2=0.

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A car traveled 187 miles in 4 hours and 16 minutes. What was the average speed of the car in miles per

Bas_tet [7]

Answer:

43.83mph

step-by-step-explanation

4 0

3 years ago

Please help also if you don’t know the answer then go away I don’t need you to comment about it, also no links.

hjlf

Answer:

C- Total pens produced that week

D- 13000

Step-by-step explanation:

C- If 3/4 of the pens are red. 3/4 of the pens is equall to 39,000 therfore 3/4(pens)=39,000

D- 3/4 of the pens are red and there are 39,000 pens, you divide these pens by 3 and the answer you get is the green pens. 39,000/3=13,000

6 0

3 years ago

What is a8 for the geometric sequence 6,561;−2,187;729;−243;…6,561;−2,187;729;−243;….

VMariaS [17]

Consider a geometric sequence $(u_n)$

let $u_1=a$ and the common ratio be r, then the sequence is constructed as follows:

$u_1, u_2, u_3..... = a, ar, a r^{2}, a r^{3}, ...$

we can observe that each term of the sequence is its previous term * r.

In the given sequence, to find the common ratio we divide 6,561 by −2,187 and get -3. This means that $r= -\frac{1}{3}$

Let the first term $u_1=a=6,561$ ,

then the eighth term is

$u_8=a* r^{7}= 6,561 (- \frac{1}{3} )^{7}= -6,561*( \frac{1}{3} )^{7}= \frac{-6,561}{2187} =-3$

Answer: -3

4 0

4 years ago

If:<br> AC=26,<br> BC=7x + 2, and<br> AB = 9x + 8<br> Find BC!

Bond [772]

Answer:

BC = 9

Step-by-step explanation:

Given AC = 26

BC=7x + 2

AB = 9x + 8

Since BC and AB are two parts of AC. Therefore we can write in the following form.

AC = AB +BC

Now insert the given values in the above formula.

26 = 9x + 8 + 7x + 2

26 = 16x + 10

26 – 10 = 16x

16 = 16x

x = 16 / 16

x = 1

Now insert x = 1 in BC=7x + 2

BC = 7 (1) + 2

BC = 9

7 0

3 years ago

The first inverse operation you would use to solve the equation 2+5x= -8 for x is subtraction. true or false?

jok3333 [9.3K]

Answer:

It would be True

Step-by-step explanation:

2+5x = -8

SUBTACT 2 on both sides and it would look like this:

5x = -8 - (2)

5X= -10

then DIVIDE 5 both side to get "X" ALONE,

x= -10/5

then divide -10 with 5

equal to:

x = -2

4 0

3 years ago