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sattari [20]
3 years ago
8

Find the value of each variable.

Mathematics
1 answer:
mel-nik [20]3 years ago
4 0

Answer:

the third option

Step-by-step explanation:

x= 13

{y}^{2}  =  {13}^{2}  +  {13}^{2}  \\  {y}^{2}  = 338 \\ y =  \sqrt{338}  = 18.38 = 13 \sqrt{2}

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A pharmaceutical company sells bottles of 500 calcium tablets in two dosages: 250 milligram and 500 milligram. Last month, the c
Svetach [21]
X = 250 mg tabs
y = 500 mg tabs

2200x + 1800y = 39200....multiply by -1
2200x + 2200y = 44000
--------------------------------
-2200x - 1800y = - 39200 (result of multiplying by -1)
2200x + 2200y = 44000
--------------------------------add
400y = 4800
y = 4800/400
y = 12...... the 500 mg tabs (y) costs $ 12 per bottle

2200x + 2200y = 44000
2200x + 2200(12) = 44000
2200x + 26400 = 44000
2200x = 44000 - 26400
2200x = 17600
x = 17600/2200
x = 8 <== the 250 mg tabs (x) costs $ 8 per bottle
3 0
3 years ago
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I need this done for tonight please help I’m stuck
dedylja [7]

Answer:

B

Step-by-step explanation:

So when I was doing the math Equation 2 and Equation 3 were it so I hope that helped and I also hope I did my math right too XD

4 0
4 years ago
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A farmer can spend no more than $4,000 on fertilizer and seeds. The fertilizer costs $2 per pound and seeds cost $20 per pound.
lilavasa [31]

Answer:

The graph in the attached figure

Step-by-step explanation:

Let

f -----> the number of pounds of fertilizer

s ----> the number of pounds of seeds

we know that

The inequality that represent the situation is

2f+20s\leq 4,000

using a graphing tool

see the attached figure

The solution is the triangular shaded area

7 0
4 years ago
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For 1983 through 1989, the per capita consumption of chicken in the u.S. Increased at a rate that was approximately linear. In 1
Volgvan

We have been given that in 1983, the per capita consumption was 39.7 pounds, and in 1989 it was 47 pounds.

Let us assume t=0 corresponds to year 1980.

Hence, we can express the given information as ordered pairs as (3,39.7) and (9,47).

We can to find a linear function passing through these points. Let us first find slope of the linear function:

m=\frac{y_{2}-y_{1} }{t_{2}-t_{1}} =\frac{47-39.7}{9-3} =\frac{7.3}{6} =\frac{73}{60}

We can write the required linear function as:

y-39.7=\frac{73}{60}(t-3)

Upon simplifying  this, we get:

y=\frac{73}{60}t+\frac{721}{20}

In order to find per capita consumption in 1995, we need to substitute t=15 in this function.

y=\frac{73}{60}(15)+\frac{721}{20}=54.3

Therefore, we would expect the per capita consumption of chicken in 1995 to be 54.3.

3 0
4 years ago
How much farther did the gold medal winner jump than the silver medal winner? Heres the chart:
zmey [24]

0.04 is the ancer                          

you just got to subtract

4 0
3 years ago
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