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Andrei [34K]
3 years ago
11

Can someone solve these for me1. 4x + 2 = -102. 7x + 12 = -9​

Mathematics
2 answers:
Sedbober [7]3 years ago
8 0

Answer:

1. -3

2. -3

Step-by-step explanation:

Phoenix [80]3 years ago
6 0

Answer:

1. x = -3

2. x = -3

Step-by-step explanation:

1.

First subtract 2.

4x = -12

Divide by 4.

x = -3

2.

Subtract 12 from both sides.

7x = -21

Divide by 7

x = -3

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pickupchik [31]

Answer:

13.35

Step-by-step explanation:

you multiply 89 times 15

then divide that with 100

6 0
3 years ago
5c+ 3 < 28 or -4c-2< 14 for c.
sweet-ann [11.9K]

Answer:

c<5, and  c>-4.

<u>Steps used for answers:</u>

5c+3<28 =

1. Subtract 3 from both sides.

5c<28-3

2. Simplify  28-3 to  25.

5c<25

3. Divide both sides by 5.

c<25/5

4. Simplify  25/5 to 5.

c<5

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

-4c-2<14 =

1. Add 2 to both sides.

-4c<14+2

2. Simplify  14+2 to 16.

-4c<16

3. Divide both sides by -4.

c>-16/4

4. Simplify 16/4 to 4.

c>−4

<u>Done by NeighborhoodDealer</u>

3 0
3 years ago
Read 2 more answers
Round 50.057 to the nearest hundredth.
icang [17]
 50.057 = 50.06  <span>to the nearest hundredth.</span>
8 0
4 years ago
Read 2 more answers
Determine if the two lines y=2x-3/2 and y=-2x+2/3 are parallel, perpendicular or neither
8_murik_8 [283]
They’re both perpendicular, I used a graphing calculator to get the interpret answer
5 0
3 years ago
What is the longest line segment that can be drawn in a right rectangular prism that is 15 cm​ long, 11 cm​ wide, and 10 cm​ tal
sammy [17]

Answer:

  √446 ≈ 21.12 cm

Step-by-step explanation:

The longest dimension of a rectangular prism is the length of the space diagonal from one corner to the opposite corner through the center of the prism. The Pythagorean theorm tells you the square of its length is the sum of the squares of the dimensions of the prism:

  d² = (15 cm)² +(11 cm)² +(10 cm)² = (225 +121 +100) cm² = 446 cm²

  d = √446 cm ≈ 21.12 cm

The longest line segment that can be drawn in a right rectangular prism is about 21.12 cm.

_____

<em>Additional comment</em>

The square of the face diagonal is the sum of the squares of the dimensions of that face. The square of the space diagonal will be the sum of that square and the square of the remaining prism dimenaion, hence the sum of squares of all three prism dimensions.

8 0
3 years ago
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