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3 years ago

The rover Spirit traveled about 2.5 kilometers its first year on Mars. Solve the equation

Mathematics

1 answer:

Alborosie3 years ago

5 0

Answer:

d = 8.75

Step-by-step explanation:

2.5 x 3.5

=8.75

8.75 / 2.5 = 3.5

have a great day! c:

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Been stuck on this question for 20 minutes, can someone please help.

Alexeev081 [22]

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3 years ago

A frequency table of grades has five classes (A, B, C, D,F) with frequencies of 4, 10, 17, 6, and respectively. Using percentage

fiasKO [112]

We have the frequencies for each of the grades. We can estimate the number of students graded by adding all those frequencies. Let's call N the total number of grades:

$\begin{gathered} N=4+10+17+6+2 \\ N=39 \end{gathered}$

We have then a total number of grades of 39.

The corresponding relative frequency for a grade is the ratio of the frequency to the total number of "samples", 39 in this case.

Then, for grade A, the relative frequency (RF) will be:

$RF_A=\frac{4}{39}\approx0.10256\approx10.26\text{ \%}$

This will be the fraction of the total grades that are A. Represented as a percentage will be 10.26%, rounded to two decimal places.

Now, to complete the table we do the same for the other frequencies:

For grade B:

$RF_B=\frac{10}{39}\approx0.2564\approx25.64\text{ \%}$

For grade C:

$RF_C=\frac{17}{39}\approx0.4359\approx43.59\text{ \%}$

For grade D:

$RF_D=\frac{6}{39}\approx0.1538\approx15.38\text{ \%}$

For grade F:

$RF_D=\frac{2}{39}\approx0.0513\approx5.13\text{ \%}$

4 0

1 year ago

Can anyone help me with this pleaseeee :(

vivado [14]

Answer:

x=65

Step-by-step explanation:

x-5=60

Add 5 to both sides

x=65

7 0

2 years ago

X - 5(x + 1) = 3x + 2<br> answer , but show work pls.

Nitella [24]

Answer: x = -1

Step-by-step explanation:

Starting:

x-5(x+1)=3x+2

Simplify the left side:

-4x-5=3x+2

Move all the terms with an x to the left:

-7x-5=2

Move all the terms without an x to the right:

-7x=7

Divide both sides by -7:

x = -1

3 0

3 years ago

In a florist shop, the ratio of roses to tulips is 5 : 3. The shop has 72 tulips on Friday morning. If the florist uses up half

11Alexandr11 [23.1K]

Answer:

it would stay the same

Step-by-step explanation:

3 0

3 years ago