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3241004551 [841]
3 years ago
10

HELP 2 GEOMETRY questions

Mathematics
1 answer:
LuckyWell [14K]3 years ago
3 0

Answer:

72

Step-by-step explanation:

i thinkkkk im on this unit too in geometry

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Evaluate these please [-4+9]<br> [-4]+9
Andrews [41]

Answer:

-11

Step-by-step explanation:

Simplify

5×−4+9

Simplify

−20+9

Answer

−11

6 0
3 years ago
What is the sum of all the exterior angles for a 99-gon?*
mars1129 [50]

Answer:

360

Step-by-step explanation:

The sum exterior angles of any number of side polygon is always 360

8 0
3 years ago
If ABC is reflected
Anna [14]

Answer:

option b is the answer of your question

4 0
3 years ago
Ruben bought a DVD recorder for 240 $. Now, it is on sale for 180 $. Find the percentage of change in the price
xenn [34]

Answer:

Step-by-step explanation:

orginal :$240

new/sale: $180

Percentage of Change:

(V2−V1)|V1|×100

=(180−240)|240|×100

=−60240×100

=−0.25×100

=−25%change

=25%decrease

3 0
3 years ago
I need help completing this problem ASAP
Evgen [1.6K]

Answer:

8 sqrt(5)

Step-by-step explanation:

sqrt(45) + sqrt(125)

Rewriting

sqrt(9*5) + sqrt( 25 *5)

we know sqrt(ab) = sqrt(a) sqrt(b)

sqrt(9) sqrt(5) + sqrt(25) sqrt(5)

3 sqrt(5)+5 sqrt(5)

Add like terms

8 sqrt(5)

5 0
3 years ago
Read 2 more answers
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