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3 years ago

What are the distances between the two points (2,-4) , (2,6)

Mathematics

2 answers:

kotegsom [21]3 years ago

8 0

Answer:

Step-by-step explanation:

Nitella [24]3 years ago

5 0

Answer:

Tha answer is 10

Step-by-step explanation:

#Hope it helps uh........

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If 3a-2b= 8 and a+3b=7 what is the value of 4a+b?

Fittoniya [83]

Step 1: Find the value of one variable in terms of the other.

$a+3b=7\\a=7-3b$

Step 2: Substitute the value you just found for this variable in the other equation.

$3a-2b=8\\3(7-3b)-2b=8\\21-9b-2b=8\\21-11b=8\\21=8+11b\\13=11b\\\frac{13}{11}=b\\ b=1\frac{2}{11}$

Step 3: Use your new value for the second variable to find the first.

$a+3b=7\\a+3(1\frac{2}{11})=7\\a+3\frac{6}{11}=7\\\\a=3\frac{5}{11}$

Now that we know the values for a and b we can find the value of 4a+b.

$4a+b\\4(3\frac{5}{11})+1\frac{2}{11}\\12+\frac{20}{11}+1\frac{2}{11}\\\\12+1\frac{9}{11}+1\frac{2}{11}\\\\\boxed{15}$

6 0

3 years ago

Part of the population of 7,750 elk at a wildlife preserve is infected with a parasite. A random sample of 50 elk shows that 11

Sergio039 [100]

Answer:

1,705 elk

Step-by-step explanation:

7,750 / 50 = 155 groups of elk

155 groups x 11 per group = 1,705 elk.

5 0

3 years ago

0.05 is 1/10 of what

Gennadij [26K]

Answer:

Step-by-step explanation:

.5 times 1/10 is .05. move the decimal over!

4 0

3 years ago

Pls i need answer with explanation asap.

Mandarinka [93]

Answer:

4 can be rewrite as 2•2, and that's the same as 2².

8 can be rewrite as 2•2•2, and that's the same as 2³

So we can rewrite the whole expression as:

2^x = (2²)⁸•(2³)⁴

2^x = 2¹⁶•2¹²

2^x = 2²⁸

So x = 28

5 0

2 years ago

How do you do 2 1/9 - 7/6 I need help please

Doss [256]

The answer is a 21/9-7/6=126-63/54. Tge answer is a 63/54

6 0

3 years ago

Read 2 more answers