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kipiarov [429]
3 years ago
11

Scenarios of unit rates

Mathematics
1 answer:
Masja [62]3 years ago
8 0
Price per unit (gram, pound, ounce gallon)

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Nataliya [291]
I do not understand ???????????????????
5 0
3 years ago
Read 2 more answers
Could someone help me with this?
umka2103 [35]
---------------------------------------------
Find area of one triangle
---------------------------------------------
Area of triangle = 1/2 x base x height
Area of triangle = 1/2 x 9 x 11.75
Area of triangle = 52.875 ft²

---------------------------------------------
Find area of two triangles
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Area of 2 triangles = 52.875 x 2 
Area of 2 triangles = 105.75 ft²

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Find the cost of the flower beds
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1 ft² = $4.25
105.75 ft² = 105.75 x 4.25
105.75 ft² = $449.44 (nearest hundredth)

---------------------------------------------
Answer: $449.44
---------------------------------------------
8 0
3 years ago
Solve the system..???​
11Alexandr11 [23.1K]

Answer:

x = 1

y = 2

z = - 3

Step-by-step explanation:

z=-2+3x - 2y Rearrange: x + 4y3z = 18 2xy-3z9 Substitute into one of the equations:

[x+4y-3(-2+ 3x – 2y) = 18

2x-y-3(-2+3x-2y) = 9

Apply Multiplicative Distribution Law: x + 4y + 6-9x+6y=18

[2x-y+6-9x+6y=9 Rearrange unknown terms to the left side of the equation: x + 4y - 9x+6y= 18-6 2xy +6 9x+6y=9

Calculate the sum or difference:

x + 4y - 9x+6y= 12

2xy + 6-9x+6y=9

Combine like terms: -8x+10y = 12 -7x+5y+6=9 Reduce the greatest common factor on both sides of the equation: - 4x + 5y = 6 -7x + 5y + 6 = 9 Rearrange unknown terms to the left side of the equation: -4x + 5y = 6 -7x + 5y = 9-6

Subtract the two equations: -4x+5y-(-7x

+5y)= 6-(9-6)

Remove parentheses: - 4x + 5y + 7x - 5y = 6

−9+6

Cancel one variable: - 4x + 7x = 6 - 9 + 6 Combine like terms: 3x = 6 - 9 + 6

Calculate the sum or difference: 3x = 3 Divide both sides of the equation by the coef

ficient of variable: x = 3/3 Calculate the product or quotient: x = 1 Substitute into one of the equations: -4+5y = 6

Rearrange unknown terms to the left side of the equation: 5y = 6 + 4 Calculate the sum or difference: 5y = 10 Divide both sides of the equation by the coef ficient of variable: y = 10/5 Calculate the product or quotient: y = 2

The solution of the system is:

x = 1

y = 2

Substitute into one of the equations:

z = - 2 +3-2x2

Calculate the product or quotient:

z = - 2 + 3 - 4

Calculate the sum or difference:

z = 1 - 4

Calculate the sum or difference:

z = - 3 x = 1 y = 2 -3

The solution of the system is:

x = 1

y = 2

z = - 3

6 0
3 years ago
Read 2 more answers
0.8-3.2x<-2-2.8x please help me answer this!!!!! it is timed
Xelga [282]

Answer:

x > 7

Step-by-step explanation:

0.8 - 3.2x < -2 - 2.8x

Add 2.8x to both sides.

0.8 - 0.4x < -2

Subtract 0.8 from both sides.

-0.4x < -2.8

Divide both sides by -0.4. Remember that when you multiply or divide both sides of an inequality by a negative number, the inequality symbol changes direction.

x > 7

4 0
2 years ago
Find the slope of the line through the pair of points (17, -12) (11, 5)
BARSIC [14]

Hello!

Step-by-step explanation:

Slope formula: \frac{Y^2^-^Y^1}{X^2-X^1}=\frac{rise}{run}

Y^2,Y^1=(5,-12)

X^2,X^1=(11,17)

\frac{5-(-12)=5+12=17}{11-17=-6}=\frac{17}{-6}

Answer: \frac{17}{-6}

Slope is 17.

Y-intercept is -6.

Hope this helps!


4 0
3 years ago
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