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ludmilkaskok [199]
2 years ago
7

What is 3x + 4y = 10 6x - 4y = 8

Mathematics
1 answer:
exis [7]2 years ago
8 0

Answer:

x=2

y=1

Step-by-step explanation:

9x+0=18

so it's x=2

6=4y=10

so y=1

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Tiana buys a new cell phone with a retail price of $80.00.
frutty [35]

Answer:

$85.60

Step-by-step explanation:

We add the percentage of sales tax to the total.  This means we are paying 100% + 7% tax, or 107%.

107% = 107/100 = 1.07; this gives us

80(1.07) = 85.60.

7 0
3 years ago
Slope = 2, passing through (-3, 8)
natima [27]

Answer:

y - 8 = -2(x + 3)

General Formulas and Concepts:

Point-Slope Form: y - y₁ = m(x - x₁)  

x₁ - x coordinate

y₁ - y coordinate

m - slope

Step-by-step explanation:

<u>Step 1: Define</u>

Slope <em>m</em> = -2

Point (-3, 8)

<u>Step 2: Write equation</u>

y - 8 = -2(x + 3)

6 0
3 years ago
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7nadin3 [17]
There are 5 jars of jam and 3 packages of bread. Mark brainliest if this helped!
8 0
3 years ago
Write the equation of the linear relationship in slope-intercept form, using decimals as needed.
masha68 [24]

Answer:

y=0.95x+2.5

Step-by-step explanation:

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope

b is the y-intercept

<em>Find the slope</em>

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

take the points

(0,2.5) and (100,97.5)

substitute in the formula

m=\frac{97.5-2.5}{100-0}

m=\frac{95}{100}

m=0.95

Find the y-intercept b

we have

m=0.95

point\ (0,2.5)

substitute i the linear equation  y=mx+b

2.5=0.95(0)+b

solve for b

b=2.5

Note It was not necessary to calculate the value of b because the value is given in the table

Remember that the y-intercept is the value of y when the value of x is equal to zero (the y-intercept is the point (0,2.5))

The linear equation is

y=0.95x+2.5

5 0
3 years ago
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aksik [14]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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