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Yuki888 [10]
3 years ago
6

Help me with this math equation

Mathematics
1 answer:
jeyben [28]3 years ago
4 0

-3.2 - 4 = -7.2

 the picture has the correct answer on it.

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Use the DISTRIBUTIVE PROPERTY to simplify the expression. 4(3r - 8)
Over [174]

Answer:

12r-32

Step-by-step explanation:

Distribute the 4 between the different numbers.

3r * 4 = 12r and 8 * 4 = 32

So...you end up with 12r-32

3 0
3 years ago
Expand and simplify
likoan [24]

Answer:

5\sqrt{2} + \sqrt{10}

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

Given

\sqrt{5}(\sqrt{10} + \sqrt{2}) ← distribute

= \sqrt{50} + \sqrt{10}

= \sqrt{25(2)} + \sqrt{10}

= \sqrt{25} × \sqrt{2} + \sqrt{10}

= 5\sqrt{2} + \sqrt{10}

3 0
3 years ago
Hello guys i need help
Drupady [299]

Step-by-step explanation:

90*8.25=742 rounds to 675 because its the closest. 85-95=10 divided by 2=5+85=90. 9-7.5=1.5 divided by 2=0.75+7.5=8.25. thats how i got those numbers. THE ANSWER IS C

8 0
3 years ago
Read 2 more answers
Help me pleseeeeeee asappppp
pentagon [3]

Answer:

(-2.5, -10)

Step-by-step explanation:

Midpoint Formula: (\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )

Step 1: Plug in

x = (-2 + -3)/2

y = (-8 + -12)/2

Step 2: Evaluate

x = -5/2

y = -20/2 = -10

Step 3: Format into coordinates

(-5/2, -10)

Step 4: Convert to decimal

(-2.5, -10)

4 0
3 years ago
The side of a square is measured to be 16 ft with a possible error of ±0.1 ft. Use linear approximation or differentials to esti
Andrews [41]

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2 years ago
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