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Mnenie [13.5K]
3 years ago
7

Evaluate each expression 10 (e+7) E=3

Mathematics
2 answers:
Gwar [14]3 years ago
6 0
Equals 100 hope I helped!(:
Nostrana [21]3 years ago
5 0
Plug in e for 3.

10(3+7)

Use the distributive property. a(b+c)= ab+ac

10*3= 30, 10*7=70

30+70=100

The expression equals 100.

I hope this helps!
~kaikers
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I need help thank you!<br> (7x + 14)<br> (15x - 4)
sergey [27]

Answer:

(7x + 14)° = 84°

(15x - 4)° = 146°

Step-by-step explanation:

62° + (7x + 14)° = (15x - 4)°

62° +7x + 14 = 15x - 4

15x - 7x = 62 + 14 + 4

8x = 80

x = 10

Therefore, exterior angle (15x - 4)° = 146°

                interior angle (7x + 14)° = 84°

8 0
2 years ago
A 13 Ft ladder is leaning up against a building, with the base of the ladder 2 feet from the building. How high up on the buildi
Lelechka [254]

Visualize the image in your mind and you can see that it forms a right angled triangle with a base,altitude and hypotenuse

base=2 feet

hypotenuse(ladder)=13 ft

We need to find the altitude,

By applying pythagoras theorem,

base square+altitude square=hypotenuse square

Take altitude as x

2 square+x square=13 square

4+x square=169

x square=169-4

x square=165

x= root of 165

x=12.8 feet(approx.)

6 0
3 years ago
If 60 is 75% of a value, what is that value?
charle [14.2K]
What you do is "x" times 75/100 equals 60. Thus you get 80
8 0
3 years ago
Read 2 more answers
Find the cube of -2.2<br><br>pls send it in odareas pls​
Oxana [17]

Answer:         -1.30059145

0.650295724+1.12634523i

−1.30059145

0.650295724−1.12634523i

Step-by-step explanation:

4 0
2 years ago
Ariel is working at meat -packing plant 5 night a weak .Her regular wage is $11 an hour.She earns time and a half for any overti
Bond [772]

Answer:

$148.50.

Step-by-step explanation:

Hourly wage for time and a half = 11 * 1.5

=$16.50

For 9 hours she earns 16.50 * 9

= $148.50.

4 0
2 years ago
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