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earnstyle [38]
3 years ago
14

Now solve the equation 4(x+3)=8. Remember to: Build the equation on your Equation Mat with algebra tiles. Simplify the equation

using your legal moves. Record your work on your paper. Solve for x . That is, find the value of x that makes the equation true.
Mathematics
1 answer:
Ymorist [56]3 years ago
3 0

Answer:

x=-1

Step-by-step explanation:

4(x+3)=8

4x+12=8

4x=-4

x=-1

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Rosa wants 2 pairs of jeans that cost $32 each .she has a coupon for $10 off the price of one pair .what price will rosa pay for
Phoenix [80]

Answer:

$54

Step-by-step explanation:

An expression for the total cost would be:

1($32) + ($32-$10) = $32 + $22 = $54

8 0
3 years ago
1.
nirvana33 [79]

Step-by-step explanation:

I think you mean triangle XYZ. and angle XYZ.

so, the angle at Y is 90°.

that makes XZ the Hypotenuse (baseline opposite of the 90° angle) of the right-angled triangle.

so, we can actually use Pythagoras (we don't need the area of the triangle to solve) :

13² = 12² + YZ²

169 = 144 + YZ²

25 = YZ²

YZ = 5 cm

just to check - the area of this triangle is (remember, it is a right-angled triangle, so XY and YZ serve also as baseline and height) :

area = 12 × 5 / 2 = 60/2 = 30 cm²

correct, it fits.

3 0
2 years ago
Which number is greater than 5.352 and less than 5.358
Lana71 [14]

Answer:

5.353

Step-by-step explanation:

hope this helps!

3 0
3 years ago
Read 2 more answers
Write the integers that are closest to the the number in the middle to complete the statement.
ArbitrLikvidat [17]

Answer:

see explanation

Step-by-step explanation:

Consider perfect squares on either side of 73, that is

64 < 73 < 81 , then

\sqrt{64} < \sqrt{73} < \sqrt{81} , that is

8 < \sqrt{73} < 9

6 0
3 years ago
Read 2 more answers
What is the value of y? <br><br> Enter your answer in the box.
Scrat [10]

Answer:

y = 20

Step-by-step explanation:

Since AB and AC are congruent then the triangle is isosceles, thus

∠B = ∠C = 25°

To find ∠A subtract the sum of the 2 angles from 180°

∠A = 180° - (25 + 25)° = 180° - 50° = 130°, thus

3y + 70 = 130 ( subtract 70 from both sides )

3y = 60 ( divide both sides by 3 )

y = 20

8 0
3 years ago
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