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Varvara68 [4.7K]
3 years ago
5

Solve the equation 42=7r r=​

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
8 0

Answer: r=6

Step-by-step explanation:

Because if 42 equals 7 times r you just have to divide 42 by 7.

GuDViN [60]3 years ago
4 0

Answer:

6

Step-by-step explanation:

42=7r

Switch sides

7r=42

Divide both sides by 7

\frac{7r}{7} =\frac{42}{7}

Simplify

r=6

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Im trash at math sorry
balu736 [363]

Answer:

Step-by-step explanation:

Use vertical angles to help solve the problem. Angles that are across from each other are congruent. For exmaple,  <2 = 85 degrees because the angle across from it is 85 degrees. I assume angle 1 is 95 degrees, so angle 3 would also be 95 degrees.

8 0
2 years ago
I need help quick, its super hard
faltersainse [42]

Answer:

Q

Step-by-step explanation:

The nearest perfect square of sqrt10 is sqrt9 and sqrt 16, representing a 3 and 4.

Thus, we can conclude that sqrt10 is between 3 and 4.

Notice sqrt 10 is very close with sqrt9 than sqrt16, it should be closer to 3 rather than 4.

The only point that fits the context is Q

5 0
3 years ago
Read 2 more answers
Solve for x <br>3(x - 2) = 6x - 12<br>​
nalin [4]

Answer:

The answer is 2

Step-by-step explanation:

Here's how I got it:

3(x - 2) = 6x - 12

Multiply 3 times x and 3 times 2, this is what you would get

3x - 6 = 6x - 12

Then, subtract the lowest x with the bigger X, this way you would have x on one side:

3x - 6 = 6x - 12

-3x        -3x

This is what you should have after this:

-6 = 3x - 12

Now, to get the variable (letter that represents a number) by itself, you have to add 12 to both sides like this:

-6 = 3x - 12

+12        +12

You would get this:

6 = 3x

Finally, you have to get x by itself, so you have to divide 3 on both sides like this

6/3 = 3/3 x

That's why, your answer is 2

5 0
3 years ago
2thousands pluse 14hundreds
snow_tiger [21]
2.000 pluse 4.00=600.000
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thousand pluse hundreds=hundre thousandths


3 0
3 years ago
Read 2 more answers
work out the total area of triangle ABC. calculate the area of AC. sides are:8.2cm and 13.5cm and angle 81 degrees
umka2103 [35]

Answer:

54.67 cm²

Step-by-step explanation:

Given that the two sides of Δ ABC are 8.2 cm and 13.5 cm and the angle included by those sides is 81°.

Let, b = 8.2 cm and c = 13.5 cm and ∠ A = 81°

Hence, area of triangle ABC, Δ = \frac{1}{2} bc \sin A

⇒ Δ = \frac{1}{2} bc \sin 81

⇒ Δ = \frac{8.2 \times 13.5 \times \sin 81}{2}

⇒ Δ = 54.67 cm² (Answer)

7 0
3 years ago
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