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IgorC [24]
3 years ago
10

Simplify using the distributive property, Show all work (-2x - 9)(-4).

Mathematics
1 answer:
fgiga [73]3 years ago
6 0
-2x(-4)=8x
-9(-4)=36
8x+36 is the answer
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2. Are these ratios equal? 6:10 and 5:20
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Step-by-step explanation:

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If A+B = 76 &amp; A -B = 38 What is A/B?
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3 years ago
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Please, I really need help-
posledela
<h3>Answer: 48</h3>

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

Explanation:

Triangle ABC is isosceles because AC = BC.

The angles opposite these congruent sides are angle ABC and angle BAC. These are the base angles.

For any isosceles triangle, the base angles are congruent.

Angle BAC = 69 degrees is given. So angle ABC = 69 as well.

-------------------

The missing angle must add to the two other angles so that all three angles in a triangle add to 180

(angle ABC) + (angle BAC) + (angle BCA) = 180

69 + 69 + (angle BCA) = 180

138 + (angle BCA) = 180

angle BCA = 180-138

angle BCA = 42

-------------------

Angle DCE is congruent to angle BCA because they are vertical angles.

Triangle DCE is a right triangle. The missing angle is 90-(angle BCA) = 90-42 = 48

angle EDC = 48 degrees

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4 years ago
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The ABC strategy is credited for bringing the HIV/AIDS epidemic under control in Uganda. By promoting abstinence, being faithful, and condom use, safe(r) behaviors have been identified that are applicable to people in different circumstances.

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