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Grace [21]
3 years ago
14

3(x-4)=2x-7+x which one A. Infinitesolutions B.x=0 C.x=3 D.x=-2 E.x=-3

Mathematics
1 answer:
BARSIC [14]3 years ago
4 0

Answer:

no solutions

Step-by-step explanation:

I attached the pic of solution

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Which is the value of this expression when a=5 and k=-2
Zinaida [17]

Answer:

Option C is correct.

Step-by-step explanation:

We are given the expression:

(\frac{3^2a^{-2}}{3a^{-1}})^k

The value of a =5 and k = -2

Putting the values and solving

=(\frac{3^2*5^{-2}}{3*5^{-1}})^-2\\=(\frac{3^{2-1}}{5^{-1+2}})^-2\\=(\frac{3^{1}}{5^{1}})^-2\\\\=(\frac{3}{5})^-2\\if \,\,a^{-1} \,\,then\,\, 1/a\\=\frac{(3)^{-2}}{(5)^{-2}}\\ Can\,\,be\,\,written\,\,as\\\\=\frac{(5)^{2}}{(3)^{2}} \\=\frac{25}{9}

Option C is correct.

3 0
3 years ago
HELP ME!!! 25 POINTS!!
riadik2000 [5.3K]

Answer:

The total distance walked by Paulo is 3750 feet.

Step-by-step explanation:

Here the four points are<em> (-2,1) (-2,-7) (5,-7) (5,1)</em>

Moving from stop A to B, only the y coordinate changes,

the change is ,

=1-(-7) = 1+7 = 8 units

Moving from stop B to C, only the x coordinate changes,

the change is ,

=5-(-2) = 5+2 = 7 units

Moving from stop C to D, only the y coordinate changes,

the change is

=1-(-7) = 1+7 = 8 units

Moving from stop D to A, only the x coordinate changes,

the change is

=5-(-2) = 5+2 = 7 units

Thus, the total distance traveled is 8+7+8+7 = 30 units

It is given that <em>1 unit = 125 feet</em>

Thus, the total distance traveled is = (125)(30) = 3750 feet

The total distance walked by Paulo is 3750 feet.

3 0
4 years ago
Math test assesment chapter 5 answer #9
zaharov [31]
What grade are u in so i can try to help u
5 0
3 years ago
Find each quotient. a. 5 ÷ 1/10 B. 5 ÷ 3/10 C. 5 ÷ 9/10
AnnyKZ [126]

Answer:

1. 50

2. 16.6666666667=16.7

3. 5.55555555556=5.6

Step-by-step explanation:

1. 5/0.1=50

2. 5/0.3=16.6666666667=16.7

3. 5/0.9=5.55555555556=5.6

3 0
3 years ago
Read 2 more answers
Jenny made her uncle a quilt. The width is 7ft and the length is 5 ft. What is the area of the quilt? ​
Harman [31]

Answer:

35 ft^2

Step-by-step explanation:

A = wl

A = 7 * 5

A = 35

7 0
3 years ago
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