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3 years ago

PLEASE HELP MEEEE UGH on 5

Mathematics

2 answers:

kkurt [141]3 years ago

7 0

Answer:

1.5 2 2.5

Step-by-step explanation:

brainliest please

Sever21 [200]3 years ago

3 0

Answer:We have been given that a rectangle has a height to width ratio of 3:4.5.

Let h be height and w be width of rectangle.

We can set our given information in an equation as:

Now we will substitute h=1 in this equation.

We can see that width of rectangle is 1.5 times height of rectangle.

Our one set of dimensions of rectangle will be: height=1 and width=1.5.

We can get many set of dimensions for our rectangle by multiplying both height and width of rectangle by same number.

Multiplying by 5 we will get our dimensions as: height 5 and width 7.5.

Therefore, (1 and 1.5) and (5 and 7.5) dimensions for rectangle will be scaled version of our rectangle.

Step-by-step explanation:

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The mean of Holly's first six math quiz scores was 75%. After taking the seventh quiz, her mean score rose to 77%. What was Holl

alexandr1967 [171]

Let x represent Holly's score on 7th math quiz.

We have been given that the mean of Holly's first six math quiz scores was 75%. This means that the average on 1st 6 math quizzes is 75.

To find the total scores on 1st 6 math quizzes, we will multiply 75 by 6 that is $75\times 6 =450$ .

We will use average formula to find test scores on 7th math quiz.

$\text{Average of 7 math quizzes}=\frac{\text{Sum of scores on 7 math quizzes}}{\text{7 quizzes}}$

$77=\frac{x+450}{7}$

Let us solve for x.

$77\cdot 7=\frac{x+450}{7}\cdot 7$

$539=x+450$

$x+450=539$

$x+450-450=539-450$

$x=89$

Therefore, Molly's score on the 7th math quiz was 89.

8 0

3 years ago

PLEASE HURRY AND HELP WILL GIVE BRAINLIEST!!

mamaluj [8]

Using the given equation:

10PI/X = 240/360

Cross multiply:

(10PI*360) = (240*X)

3600PI = 240X

Divide both sides by 240:

X = 3600PI / 240

X = 15PI in^2

3 0

3 years ago

when have you calculated the mean in real life? and do you always have to use math in order to find the mean?

MaRussiya [10]

Answer:

a girl was mean so I had to beat her up

Step-by-step explanation:

that is when I had met a mean person

4 0

3 years ago

You used a telescope and other mathematics to discover that Jupiter is 5.20 au from the sun. Use the equation to find its orbita

diamong [38]

Answer:

11.9 au

Step-by-step explanation:

5 0

3 years ago

ASAP DUE RIGHT NOW! Thanks!

padilas [110]

Answer:

y = 3(x - 4)²

Step-by-step explanation:

5 0

3 years ago