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Dmitriy789 [7]
3 years ago
13

I will mark you brainliest!!!! Determine which region contains the solution to the system.

Mathematics
1 answer:
zhenek [66]3 years ago
7 0

Answer:

Region B

Step-by-step explanation:

The solution to the system is the point at which the two lines intersect, which would be in Region B.

You might be interested in
The area of a rectangular pool was 120square meters. If the long side in 7 meters plus a number and the width is 6 meters. What
NeX [460]

Answer:

The value of the variable=13 meters

Step-by-step explanation:

Step 1

Express the dimensions of the pool

Length=7+x

width=6

Step 2

Express the area of a rectangle as shown;

A=L×W

where;

A=area of a rectangle

L=length of the rectangle

W=width of the rectangle

In our case;

A=120 m²

L=x+7

W=6

replacing in the equation;

120 m²=(x+7)×6

120=6 x+42

6 x+42=120

6 x=120-42

6 x=78

x=78/6

x=13

The value of the variable=x=13 meters

8 0
2 years ago
1) In a random sample of 150 out-patient records it was noted that 25 of the
Leno4ka [110]

Answer:

no

Step-by-step explanation:

13% of 150 =19.5 which is less that 25 so it mst be greater than 13%

Hope this helps ;)

7 0
3 years ago
Can someone help. Please
KonstantinChe [14]

Answer:

Answer below       Please give brainliest!!  

Step-by-step explanation:

Sue Black:  8x5=40 hours    40 x $6.75 = $270


Jerry Atrix:  7.25 + 3 + 6.75 + 8 + 5 = 30 hours

                    30 x $5.15 = $154.50


Sam Ting:  7.75 x 5 = 38.75 hours

                 38.75 x $8.75 = 339.0625 = $339.06

5 0
3 years ago
The ratio of red candies to blue candies is 5:4 in the bag. If there are 20 blue candies in the bag, how many red candies are th
maxonik [38]
25 candy_*_>/>_*%*%`=`:`:*/`:&
5 0
3 years ago
How sensitive to changes in water temperature are coral reefs? To find out, scientists examined data on sea surface temperatures
Oduvanchick [21]

The correlation coefficient tells that every increase in sea surface temperature of one degree Celsius will result in an average of 0.1578 fewer centimeters of coral growth per year.

Using technology

The mean= x bar = 26.4667

The mean = y bar= 0.86

The standard deviation= Sx= 0.2251

The standard Deviation Sy=  0.0438

The Correlation Coefficient= r = -0.8111

The slope= b= r* Sy/Sx= -0.15789

The intercept is 5.0389

(d)<u><em> Every increase </em></u>in sea <u><em>surface temperature</em></u> of one degree Celsius will result in an average of <em><u>0.1578 fewer</u></em> centimeters of <em><u>coral growth</u></em> per year.

Here the independent variable is X the sea surface temperature and dependent variable is the Y coral growth.

As the temperature decreases which is along x- axis the growth increases along y axis.

From the given options the option d is the best answer according to the question given.

The same values are calculated using different technology .

brainly.com/question/24183059

6 0
2 years ago
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