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d1i1m1o1n [39]
4 years ago
9

Will mark Brainlinest!!!

Mathematics
1 answer:
rodikova [14]4 years ago
6 0
A. 40%




......................
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Does Y= -2/3x + 3 & Y=2/3x + 2 have unlimited solutions?
notsponge [240]

Answer:

x = 3/4

y = 2.5

Step-by-step explanation:

No there is just one.

Equate the ys

-2/3 x + 3 = 2/3 x + 2                        Add 2/3 x to both sides

3 = 2/3 x + 2/3x + 2                          Combine

3 = 4/3 x + 2                                     Subtract 2

3-2 = 4/3 x                                        Multiply by 3

1 * 3 = 4x                                          Divide by 4

3/4 = x

====================

y = 2/3 x + 2

y = 2/3 * 3/4 + 2

y = 6/12 + 2

y = 1/2 + 2

y = 2 1/2

y = 2.5

6 0
3 years ago
What is the equation of a parallel line to y=-5x+2 that passes through the point (-1, 4)?
vfiekz [6]

Answer:

y=-5x-1

Step-by-step explanation:

If parallel lines, then the slope is the same.

y=-5x+b

To solve for b, plug in (-1,4)

(4)=-5(-1)+b

4=5+b

-1=b **Subtract 5 from both sides**

y=-5x-1

3 0
3 years ago
Use the formula to evaluate the series 1+2+4+8...+a10
Serjik [45]
Since this is a geometric series, let's use the sum to n terms of a geometric series given by:

S_n = \frac{a(r^{n} - 1)}{r - 1}, where a is the first term, r is the common ratio, and n is the number of terms.

We know that a = 1
Common ratio (r): 2
Num. of terms: 10

Plugging it all into the equation, we produce:
S_{10} = \frac{1(2^{10} - 1)}{2 - 1}
= 2^{10} - 1
1,023

Thus, the summation is 1,023
8 0
3 years ago
Multipy 406 * 31<br><br> Show all work and steps!
NARA [144]

Answer:

the answer is in the picture

Step-by-step explanation:

8 0
3 years ago
All circles are _____ to each other.<br> congruent<br> concentric<br> parallel<br> similar
Katyanochek1 [597]

Answer:

All circles are similar to each other.

Step-by-step explanation:

Given  : All circles are _____ to each other.

To find : Fill the blank .

Solution : We have given Options .

Similar figures : Figures which has the same shape but may have different dimensions.

So ,

All the circles have same shape but may have different radius.

Therefore,  All circles are similar to each other.

8 0
3 years ago
Read 2 more answers
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