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3 years ago

AGAIN I'LL MARK BRAINLIEST !

Mathematics

2 answers:

almond37 [142]3 years ago

8 0

Answer:

8.50

Step-by-step explanation:

marissa [1.9K]3 years ago

7 0

Answer:

Step-by-step explanation:

Each plant is 4.25 so you add another 4.25 to get 4.25 + 4.25= 8.5 she spends 8 dollars and 50 cents

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Which is the best estimate of the mass of a skateboard

LekaFEV [45]

Probably B, 3 kilograms. Since grams are too small, and liters isn’t measuring mass, kilograms is the best choice.

8 0

3 years ago

3. The average distance from the sun to the planet Mercury is about 58,000,000 km. The diameter of a human hair is about 0.0025

zalisa [80]

Answer:

Distance of Sun and Mercury = 58,000,000 km.

In Scientific notation, it would be: 5.8 × 10⁷ Km

Diameter of a human hair = 0.0025 cm

In scientific notation, it would be: 2.5 × 10⁻³ cm

Before Comparison, we need to bring centimeter to Kilometers or vice-versa, so we can easily calculate then, here, we will go from cm to Km.

2.5 × 10⁻³ × 10⁻⁵ Km = 2.5 × 10⁻⁸

Now, we can compare the values,

5.8 × 10⁷ Km > 2.5 × 10⁻⁸

[ reason. - power of smaller number is in negative, it means, it is denominator, which would be very small as compared to other ]

Step-by-step explanation:

8 0

3 years ago

The owners of a golf course hired a company to determine how many squirrels were living on their property. First, the company pu

muminat

Answer:

Squirrel population is 440 squirrels.

Step-by-step explanation:

It is given that there are 22 squirrels are marked.

Later the company returned and counted a total of 220 squirrels of which are marked were 11.

So, we can set up proportional equation to find the squirrel population.

Let squirrel population is x.

We can set up proportional equation as

$\frac{11}{220}=\frac{22}{x}$

Cross multiply

11 x=4840

Divide both sides by 11

x=440

Best estimate is 440.

6 0

3 years ago

You need to buy a new cover for a pool.The pool is in shape of a trapezoid.The cost of the cover is .79.What is the total cost

jek_recluse [69]

Since we don't have the measurements for the trapezoid, we can't find the exact cost. However, I can explain how to solve the problem.

First, you need to find the the total area of the pool cover. Since it is in the shape of a trapezoid, use the formula below.

A = 0.5(h)(the sum of the bases)

Once you have the area, multiply by 0.79 and you will have the cost.

7 0

3 years ago

The angle measurements in the diagram are represented by the following expressions.

xxTIMURxx [149]

Answer:

114 degrees

Step-by-step explanation:

6x+12=3x+63

-3x -12 -3x -12

3x=51

x=17

6(17) +12 = 114

5 0

2 years ago

AGAIN I'LL MARK BRAINLIEST !​

AGAIN I'LL MARK BRAINLIEST !