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3 years ago

2. A landscaper drew a scale drawing of a rectangular yard using the scale, , before beginning to work on the yard.

Mathematics

1 answer:

KiRa [710]3 years ago

5 0

Answer:A) the answer is 0.28 in meters or 28 in cm

B) the anwser is 0.48 in meters and 48 in cm

Step-by-step explanation:

P=8+6+8+6 = 26cm

A=8x6=48

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How long will it take for an object to fall from 15m?

Solnce55 [7]

The time taken by the object to fall from 15 m on the Mercury which has a gravity of 3.7 m/s² is 10.54 seconds.

<h3>What is kinematics?</h3>

It is the study of the motion of a body without considering mass. And the reason behind them is neglected.

The object is on Mercury and starts falling from rest.

As it is on Mercury there is no air resistance to account for.

Gravity on Mercury is 3.7 m/s².

Then the time taken by the object to fall from 15 m will be given as

$\rm t = \sqrt{2gh}\\\\t = \sqrt{2\times 3.7\times 15}\\\\t = 10.5356 \approx 10.54 \ seconds$

More about the kinematics link is given below.

brainly.com/question/25638908

#SPJ1

5 0

3 years ago

Abby Kratz, a market specialist at the market research firm of Saez, Sikes, and Spitz, is analyzing household budget data collec

FrozenT [24]

Answer:

d) $128.65

Step-by-step explanation:

The table format from the question can be properly expressed as :

Coefficients Standard Error t Statistic p value

Intercept 39.14942 22.30182 1.755436 0.109712

x 1.792312 0.407507 4.398234 0.001339

Source df SS MS F $S_e$ = 29.51443

Regression 1 16850.99 16850.99 19.34446 $r^2$ = 0.682478

Residual 9 7839.915 871.1017

Total 10 24690.91

For a rural household with $90,000 annual income, Abby's model predicts weekly grocery expenditure of:_________.

The estimated regression equation is as follows:

Expenditure (y) = 39.15 + 1.79 x

For a rural household with $90,000 annual income; the independent variables will assume the following values

x = 50

Thus; the estimated groceries expenditure is computed from the above regression equation by replacing the values of the independent variables;

This can be expressed as:

y = 39.15 + 1.79 (50)

y = 39.15 + 89.5

y = $128.65

7 0

3 years ago

Help me with this question pls

Mandarinka [93]

1/6 was not eaten

Hope this helps

4 0

3 years ago

Read 2 more answers

The height of a triangle is 4 inches. Greater than twice it's base. The area of the triangle is no more than 168 in.². Which any

mestny [16]

Step-by-step explanation:

this problem seeks to test our knowledge on word problems and algebra

<u>Solution</u>

let the base be x, and

the height h = 2x+4

We know that area of a triangle is given as

$A= \frac{1}{2} b*h$

substituting our given values we have

$168= \frac{1}{2} x*(2x+4)\\\\168= \frac{2x^2+4x}{2} \\\\168= x^2+2x\\\\$

re-arranging we have

$x^2+2x-168=0\\\\$

we can now find two factors that will add up to give 2 and multiply to give -168

they are 14 and -12

$x^2-14x+12x-168=0\\\\x(x-14)+12(x- 14)=0\\\\x+12=0\\\\x=-12\\\\x-14=0\\\\x=14$

The possible base of the triangle is 14 in

and the height is

$h= 2x+4\\\\h=2(14)+4\\\\h= 28+4\\\\\h= 32 in$

7 0

3 years ago

What's the scale factor?

yanalaym [24]

Answer:

2.5

Step-by-step explanation:

25 / 10 = 2.5

Check with 6in

6 x 2.5 = 15

8 0

3 years ago

Read 2 more answers