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garik1379 [7]
3 years ago
15

(−6)∙(a+2b−3c−4d)−(−2)∙(−4a−3b+2c+d) please simplify asap

Mathematics
1 answer:
astraxan [27]3 years ago
5 0
-6a-12b+18c+24d-8a-3b+4c+2d=-6a-8a-12b-3b+18c+4c+24d+2d=
=-14a-15b+22c+26d
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An angle measures 23.4° more than the measure of its complementary angle. What is the measure of each angle?
kodGreya [7K]

Answer:

62°

Step-by-step explanation:

Complementary angles by definition are two or more angles that add up to 90°. So we must do 90°-62° to get the missing angle which is 62°.

Hope that helped.

8 0
4 years ago
Please help as soon as you can
Grace [21]

Answer:

FOR QUESTION 5

1. Angle 1 congruent to angle 4; given

2. Angle 1 supplementary  to angle 2; assumed from diagram

3. Angle 4 supplementary  to angle 3; assumed from diagram

4. Angle 2 congruent to angle 3; angles supplementary to congruent angles are congruent

5. Angle 3 congruent to angle 5; verticla angles are congruent

6. Angle 2 congruent to angle 5; substitution

FOR QUESTION 6

1. Angle 2 congruent to angle 3; given

2. Angle 2 congruent to angle 1; vertical angles are congruent

3. Angle 3 congruent to angle 4; vertical angles are congruent

4. Angle 1 congruent to angle four; substituiton (see statement #1)

Step-by-step explanation:

5 0
4 years ago
Please Please Please help me
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She will have nmmmmmmmmmmmmm

6 0
4 years ago
The marching band is selling candy bars and fruit snacks for a fundraiser. Candy bars are sold for $2.50 and fruit snacks are $1
Flauer [41]

Answer:

220 candy bars

Step-by-step explanation:

Let the number of candy bars sold=c

Let the number of fruit snacks sold=f

A total of 650 items were sold.

  • Therefore: c+f=650

Candy bars are sold for $2.50

Fruit snacks are sold for $1.50

Total Income =$1,195

  • Therefore: 2.5c+1.5f=1195

We solve the resulting system of equation for c, the number of candy bars sold.

  • c+f=650
  • 2.5c+1.5f=1195

From the first equation, f=650-c

Substitute f=650-c into 2.5c+1.5f=1195

2.5c+1.5(650-c)=1195

2.5c+975-1.5c=1195

Collect like terms

2.5c-1.5c=1195-975

c=220

Therefore, 220 candy bars were sold.

5 0
4 years ago
7% of what length is 200 feet ​
Alex17521 [72]

Answer:

Roughly 2857.14

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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