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guapka [62]
3 years ago
10

What is the y-intercept of a line that has a slope of -3 and passes through point (0,-7)

Mathematics
1 answer:
lesya692 [45]3 years ago
5 0
The answer is option A
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362 equals w times 271<br> Write the sentence as an equation
Ede4ka [16]

Answer:

362=271w

Step-by-step explanation:

If theres a letter(variable) beside a number it means mutiplication.

Hope this helps!

4 0
3 years ago
The equation a=640s gives the relationship between s square miles and acres. Pam owns 7.5 square miles of farmland. How many acr
zhenek [66]
640 acres / 1 mi^2 

<span>7.5 mi^2 (640 acres / 1 mi^2) </span>

<span>= 4,800 acres </span>
7 0
3 years ago
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If a block of copper is 5 cm by 10 cm by 3 cm and has a mass of 1335 grams, what is the density of copper?
Maslowich

Answer:

the density of copper is 90.03g/cm³

Step-by-step explanation:

This problem bothers on the density of a substance, this case for a copper material

Given data

Mass of copper m = 1355g

Volume of copper block v= l*b*h

10*5*3=150cm³

We know that the density

ρ= mass/volume

ρ= 1355/150

ρ= 90.03g/cm²

The density of a substance is defined as the mass of the substance per unit volume

5 0
3 years ago
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Need the answer to the question : What annual rate of interest would you have to earn on an investment of $4500 to ensure receiv
rewona [7]

To find the annual rate of interest, here's what we need to do:

\frac{amount of investment}{interest recieved} \times 100

In this case:

333/4500 x 100%

=37/500 x 100%

=7.4%

Therefore the answer is 7.4%.

Hope it helps!

6 0
3 years ago
Biologist Dr. Cytoplasm wants to know how many elephants in the nature reserve have broken tusks . Of the 30 elephants that he o
dalvyx [7]

Answer:

Of the 600 elephants that he observes in random places in the reserve, he counts \frac{8}{30}(600)=160 elephants with broken tusks.

Step-by-step explanation:

Let x denotes number of elephants having broken tusks out of 600 elephants.

Of the 30 elephants that he observes in random places in the reserve, he counts 8 elephants with broken tusks.

So,

Of the 1 elephants that he observes in random places in the reserve, he counts \frac{8}{30} elephants with broken tusks.

Therefore,

Of the 600 elephants that he observes in random places in the reserve, he counts \frac{8}{30}(600)=160 elephants with broken tusks.

7 0
3 years ago
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