Solve each system by elimination. (Need help understanding)

Mathematics

1 answer:

Tju [1.3M]4 years ago

5 0

Hope this can help you

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The temperature of a city changed by -24 degrees celsius over a 6-week period. The temperature changes by the same amount each w

Anton [14]

That amount, which I assume you're asking about, is a 4 degree drop in temperature each week.

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3 years ago

Drag the tiles to the table. The tiles can be used more than once, but not all tiles will be used.

Sav [38]

Answer:

Emma can complete the calls alone in 6 days, which means she can complete $\frac{1}{6}$ of the calls in one day. So, Emma’s rate per day is $\frac{1}{6}$ . Jackson can complete the calls alone in $4$ days, which means he can complete $\frac{1}{4}$ of the calls in one day. So, Jackson’s rate per day is $\frac{1}{4}$ . Because they’re working together, the time, $x$ , is the same for both.

Multiply across the table to find the part of the task each has completed. Use the equation work completed = (rate)(time) to fill in the last column cells.

Step-by-step explanation:

7 0

3 years ago

As a salesperson at Roaring Waves Beach Supplies, Carissa receives a monthly base pay plus commission on all that she sells. If

Pani-rosa [81]

Base pay + (rate * sales) = total pay

b + r(400) = 388
b + r(700) = 454

b = 388 - 400r
now sub into 2nd equation
388 - 400r + 700r = 454
-400r + 700r = 454 - 388
300r = 66
r = 66/300
r = 0.22...22% is the rate

substitute for r
b + 400r = 388
b + 400(0.22) = 388
b + 88 = 388
b = 388 - 88
b = 300

so ur equation is : y = 0.22x + 300
y = 0.22(2600) + 300
y = 572 + 300
y = 872......so her salary when selling $2600 worth of stuff is $872

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3 years ago

A thermos in the shape of a cylinder is filled with coffee. The height of the cylinder is 12 inches and its radius is 2 inches.

serg [7]

Answer:

The volume of coffee in the thermos is 150.72 inches³ .

Step-by-step explanation:

Formula

$Volume\ of\ a\ cylinder = \pi r^{2}\ h$