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3 years ago

Which is the correct answer

Mathematics

1 answer:

Sav [38]3 years ago

8 0

Answer:

Option 3

Step-by-step explanation:

Using the order of operations, you will find out that 7 x 10^3 = 7,000, and 3 x 10^2 = 300. Dividing 7,000 by 300 will get you 23.333~, so 300 does go into 7,000 a little more than 20 times.

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Find the circumference of the circle.

Studentka2010 [4]

Answer:

11 $\pi$

Step-by-step explanation:

To find the circumference of a circle, the formula is:

d * $\pi$ = c

We already know the diameter, so we just plug that in:

11 * $\pi$ = c

11 $\pi$ = c

Let me know if you have any questions.

5 0

3 years ago

What angle is this? -Complementary -Supplementary -Vertical -Adjacent

GuDViN [60]

Answer:

Adjacent

Step-by-step explanation:

Since angle a and b are right next to each other, they would be adjacent.

3 0

3 years ago

During a test period, an experimental group of 10 vehicles using an 85 percent ethanol-gasoline mixture showed mean CO2 emission

PIT_PIT [208]

Answer:

A quick comparison of the sample variances suggests that the population variances are same or almost equal.

Step-by-step explanation:

The populations from which two samples are drawn are normally distributed.

The variable used to predict another variable is called an independent variable.

F- distribution is used for the test of two sample hypotheses of variances.

If two populations have equal variances then the test Statistic is nearly equal to 1.

t= s²₁/s²₂i

As the variances are almost or nearly equal the test statistic would be almost equal to 1.

7 0

3 years ago

Triangle ABC has vertices A(0, 2), B(x, 0), and C(0, -2). Determine the value of x that makes triangle ABC a regular triangle.

Jobisdone [24]

Answer:

$x = \sqrt{12 } = 2 \sqrt{3} \: or \\ x = - \sqrt{12} = - 2 \sqrt{3}$

Step-by-step explanation:

In order for the triangle to be a right one we need every side to be of the same length. see the photo for furyher explanation.

5 0

3 years ago

F(x)=3x+4. Determine the value of F (X) when X equals -1

hammer [34]

ANSWER

The value of this function at x=-1 is 1

EXPLANATION

The given function is

$f(x) = 3x + 4$

We want to find the value of this function at x=-1.

We substitute x=-1 into the function to obtain:

$f( - 1) = 3( - 1)+ 4$

We multiply out to obtain:

$f( - 1) = - 3+ 4$

$f( - 1) = 1$

Therefore the value of this function at x=-1 is 1.

4 0

4 years ago

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Which is the correct answer​

Which is the correct answer