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n200080 [17]
3 years ago
8

Which exponential expression is equal to 2−5·28

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
3 0

Answer:

Impossible

Step-by-step explanation:

Solve the answer 2-5*28 = -138

This would have no answer since an exponential expression can't equal an negative unless it's a negative answer, but in this case, there is no answer that would get you -138.

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7. Quadrilateral MNPQ has vertices M(4,0), N(0,6), P(-4,0) and Q(0, -6). Determine whether
kirill [66]

Answer:

SQUARE

Step-by-step explanation:

If Quadrilateral MNPQ has vertices M(4,0), N(0,6), P(-4,0) and Q(0, -6).

Find the following MN,  NP, PQ and MQ

Using the formula for calculating the distance between two points

MN = √(6-0)²+(0-4)²

MN = √6²+4²

MN = √36+16

MN = √52

MN = 2√13

NP = √(0-6)²+(-4-0)²

NP = √6²+4²

NP = √36+16

NP = √52

NP = 2√13

PQ = √(-6-0)²+(0-(-4))²

PQ = √6²+4²

PQ = √36+16

PQ = √52

PQ = 2√13

MQ = √(-6-0)²+(0-4)²

MQ = √6²+4²

MQ = √36+16

MQ= √52

MQ = 2√13

Since the length of all the sides are equal, hence the shape is a SQUARE

4 0
2 years ago
(-4, 8) is dilated with the center of dilation at the origin, the image of the point is (-18, 36). What is the scale factor of t
maxonik [38]
Taking the same test right now....I think the answer is 4.5. Hope that helps!
4 0
3 years ago
I need some help please
gizmo_the_mogwai [7]

Answer:

a) -10

b) 7

Step-by-step explanation:

a) 2(x + 3) = x - 4

=  > 2x + 6 = x - 4

=  > 2x - x =  - 4 - 6

=  > x =  - 10

b) 4(5x - 2) = 2(9x + 3)

=  > 20x -8 = 18x + 6

=  > 20x - 18x = 8 + 6

=  > 2x = 14

=  > x =  \frac{14}{2}  = 7

3 0
3 years ago
Read 2 more answers
Find the difference between 430 and 144
nata0808 [166]
286. you just subtract the two numbers 
5 0
3 years ago
Read 2 more answers
What is 40.06 divided by 5.23 ? I need a tutor ‍♂️
Mekhanik [1.2K]
Rounded answer is 7.66

Regular answer is 7.65966
5 0
3 years ago
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