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liraira [26]
3 years ago
9

Can someone help me with a few easy math questions?

Mathematics
2 answers:
saw5 [17]3 years ago
8 0
Sure what kind of questions are they??
hodyreva [135]3 years ago
3 0
1+1
1+2
1+3
1+4
1+5
1+6
1+7
1+8
1+9
1+10
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What is the value of x which proves that the runways are parallel? What is the measure of the larger angle?
makkiz [27]

Answer:

118°

Step-by-step explanation:

When two parallel lines are cut by a tranversal, then the exterior angles are supplimentary and the corresponding angles are congruent.

Therefore the angle above (15x - 17)° is also (5x + 17)° and the angle below (5x + 17)° is also (15x - 17)°.

Angles on a straight line adds up to 180°. So to know the measure of the larger angle we must both equations and equal it to 180° to find x in order to know the larger angle.

(5x + 17) + (15x - 17) = 180

5x + 15x + 17 - 17 = 180

20x = 180

20x/20 = 180/20

x = 9°

Nkw let's substitute x = 9 into the equations

5x + 17 =

5(9) + 17 =

= 62°

15x - 17 =

15(9) - 17 =

= 118°

Both equations should add up to be 180°.

Therefore the measure of the largest angle is 118°.

6 0
3 years ago
Artem and Anthony are selling brownies at the school bake sale. Anthony sold twice as many brownies as Artem. Together, they sol
Digiron [165]

Answer:

no because 2(4) + 4 = 15

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Which is the total surface area of this cone?
disa [49]

Answer:

  A.  219.80 square centimeters

Step-by-step explanation:

The total surface area is given by ...

  A = πr(r+s)

where r is the radius and s is the slant height. Filling in the given numbers, you get ...

  A = 3.14·(5 cm)·(5 cm +9 cm) = 219.80 cm²

3 0
3 years ago
The difference bewteen -58 - 40
Korolek [52]

Answer:

-98

Step-by-step explanation:

3 0
3 years ago
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-5.7+(-4.2)=-9.9 is this correct? Also I'm getting off after this have a great day!.
yarga [219]

Answer: yes

Step-by-step explanation: it is

7 0
3 years ago
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