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Anettt [7]
3 years ago
6

Which system of equations is represented by the matrix below?

Mathematics
1 answer:
Lostsunrise [7]3 years ago
6 0

Answer:

-4x=7

3x+5y=9

Step-by-step explanation:

You might be interested in
Chance has hired a construction crew to renovate his kitchen. They charge $3.89 per square foot for materials and $121.26 per da
Pepsi [2]

Answer:

The answer to your question is: letter B. 16 days

Step-by-step explanation:

Materials = $3.89 square foot

Day of labor = $121.26

Total $2982.68

Square feet = 252 more than the number of days

Process

                  materials = days of labor + 252

materials = m

days of labor = d

                             m = d + 252  (I)

Total Equation  

                         3.89m + 121.26d = 2982.68

                         3.89(d + 252) + 121.26d = 2982.68        

                         3.89d + 980.28 + 121.26d = 2982.68

                         3.89d + 121.26d = 2982.68 - 980.28

                                       125.15d = 2002.4

                                                 d = 16

Number of days 16.

4 0
4 years ago
You earned the following scores on four english tests: 96, 88, 74, and 76. The greatest score you can earn on a test is 100. Is
svetlana [45]

Answer:

No

Step-by-step explanation:

96+88+74+76=334/4=83.5

96+88+74+76+100=434/5=86.8

The average can't be higher than a 91%

5 0
3 years ago
Show your work please and thank you best anwser gets brainly ​
scZoUnD [109]

Answer:

a9

Step-by-step explanation:

5+4= 9 and its the same variable.

5 0
3 years ago
What is the equation of the line that passes through the point (5,-2) and has a slope of 6/5?
noname [10]

Answer:

y=6/5x-8

Step-by-step explanation:

Hi there!

We want to find the equation of the line that passes through (5, -2) and has the slope of 6/5

We can write the equation of the line in slope-intercept form, which is y=mx+b, where m is the slope and b is the y intercept.

Since we are already given the slope of the line, we can immediately plug it into the equation:

y=6/5x+b

Now we need to find b

Since the equation passes through the point (5, -2), we can use it to solve for b

Substitute 5 as x and -2 as y:

-2=6/5(5)+b

Multiply

-2=6+b

Subtract 6 from both sides

-8=b

Substitute -8 as b.

y=6/5x-8

Hope this helps!

6 0
2 years ago
I need to know how to find x
enyata [817]

Answer:

x = \frac{20}{3}

Step-by-step explanation:

ΔABC and ΔEDC are similar triangles ( AA ), hence the ratios of corresponding sides are equal, that is

\frac{AB}{ED} = \frac{BC}{DC}, substitute values

\frac{x}{4} = \frac{5}{3} ( cross- multiply )

3x = 20 ( divide both sides by 3 )

x = \frac{20}{3}

5 0
3 years ago
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