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miskamm [114]
2 years ago
10

Please look at the picture and answer it.

Mathematics
1 answer:
Savatey [412]2 years ago
6 0

Answer:

y=24

Step-by-step explanation:

4y+7+3y+5=180

7y=168

y=24

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Find the error, Rashid and Tia solve the quadratic equation (2x2-8x +10=0) by completing the square. Who is correct? Explain you
podryga [215]
To solve a quadratic equation using completing the square method,
STEP 1
Divide through by the coefitient of the squared term.

Looking at the solutions of Rashid and Tia, we notice that Rashid did not divide through by the coefficient of x^2.

Therefore, Rashids solution is wrong.

We solve the equation using completeing the square as follows:
2x^2-8x+10=0 \\  \\ x^2-4x=0-5=-5 \\  \\ x^2-4x+4=-5+4=-1 \\  \\ (x-2)^2=-1 \\  \\ x-2=\pm i \\  \\ x=2\pm i
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3 years ago
Tiles in this image would cover a 1 ft.? area of the kitchen. The large tiles cost $0.96 each and the small tiles cost $0.26 eac
Mice21 [21]

Answer:

B. $264.00

Step-by-step explanation:

==>The image that shows the pattern of the arrangement of tiles consists of:

2 large tiles = $0.96*2 = $1.92

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This implies that $4 would need to be spent to cover 1ft²

Therefore, to cover an area of 22ft by 3ft, it would cost Fred the following below:

Area to be covered = 22×3 = 66ft²

$4 --> 1ft²

x$ ---> 66ft²

= (66 × 4)/1

= $264.00

8 0
3 years ago
Solve for X<br> Enter the answer in the box<br> X=
Charra [1.4K]

Answer:

132

Step-by-step explanation:

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5 0
3 years ago
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What is 25 percent out of 500.00?
Natali [406]

Answer:

125

Step-by-step explanation:

500*0.25=500*1/4

Solve

500*1/4

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6 0
3 years ago
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Candice buys a board thats is 12 feet long. the store incorrectly measures and prices the board at 13.2 feet. whats the percent
podryga [215]
Determine first the difference between the incorrectly measured board and the correct one. The subtraction would result to 1.2 ft. The percent error is calculated by dividing this value by the correct value and then multiply by 100%. (1.2 ft / 12 ft) x 100% = 100%. Thus, the percent error is 10%. 
7 0
3 years ago
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