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Dahasolnce [82]
4 years ago
8

Why does the base matter when simplifying negative exponents?

Mathematics
1 answer:
iris [78.8K]4 years ago
3 0

Answer:

A negative exponent just means that the base is on the wrong side of the fraction line, so you need to flip the base to the other side. For instance, "x–2" (pronounced as "ecks to the minus two") just means "x2, but underneath, as in 1 x 2 \frac{1}{x^2} x21 ".

Step-by-step explanation:

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M23 is (3x + 4)º and mz5 is (2x + 11)
Tom [10]

9514 1404 393

Answer:

  • same-side interior
  • (3x +4) +(2x +11) = 180
  • 77°

Step-by-step explanation:

Angles 3 and 5 are on the same side of the transversal, between the parallel lines, so can be called "same-side interior angles". These are also called "consecutive interior angles". As such, they have a sum of 180°, so are also "supplementary angles." We don't know what your pull-down menu options are, but perhaps one of these descriptions is on there.

__

Because the angles are supplementary, their sum is 180°. So, the equation ...

  (3x +4)° +(2x +11)° = 180°

can be used to solve for x. Likewise, any of the possible simplifications of this can be use:

  (3x +4) +(2x +11) = 180 . . . . . divide by degrees

  5x +15 = 180 . . . . . . . . . . . collect terms

  5x = 165 . . . . . . . . . . . . . subtract 15

  x = 33 . . . . . . . . . . . . . . divide by 5

__

Once we know that x=33, then the measure of angle 5 is found from its expression:

  m∠5 = (2x +11)° = (2·33 +11)°

  m∠5 = 77°

6 0
3 years ago
Please help and explain!!!
iren2701 [21]

Answer:

Option A

Step-by-step explanation:

The solution is in the image

4 0
2 years ago
Find the area of the composite figure 7 cm 4 cm 7 cm 4 cm​
Stella [2.4K]

Answer:

784 cm

Step-by-step explanation:

7 x 7 = 49

4 x 4 = 16

49 x 16 = 784

3 0
2 years ago
14.<br> -2(y – 4) + 8y +2 &lt; 16
GREYUIT [131]

Answer:

y<1

Step-by-step explanation:

-2(y-4)+8y+2<16

-2y+8+8y+2<16

6y+10<16

6y<16-10

6y<6

y<6/6

y<1

8 0
3 years ago
Find the missing side lengths. Leave your answer as radicals in simplest form.
kirill [66]

Answer:

Solution given:

b=9 base side of isosceles triangle

a=\sqrt{9²+9²}=9\sqrt{2}

3 0
3 years ago
Read 2 more answers
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