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GaryK [48]
2 years ago
10

Given: 5(x + 2) - 3 = 4(x - 1)

Mathematics
1 answer:
Dahasolnce [82]2 years ago
6 0

Answer:-11 proved

Step-by-step explanation:

5(x+2)-3=4(x-1)

Open brackets

5x+10-3=4x-4

Collect like terms

5x-4x=-4+3-10

x=-11

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1/10 + 20/100=<br> 2/3+ 1/4 =<br><br> ANSWERS ASAP!!<br> RIGHT ANSWERS GET AUTOMATIC BRAINLYEST
Bess [88]

Answer:

\frac{1}{10}  +  \frac{20}{100}  =  \frac{10}{100}  +  \frac{20}{100}  =  \frac{30}{100}

\frac{2}{3}  +  \frac{1}{4}  =  \frac{8}{12}  +  \frac{3}{12}  =  \frac{11}{12}

7 0
3 years ago
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Bo bought a few items for $93.84, not including tax. If the tax rate was 7%, what was the total cost of these items, including t
Nastasia [14]

Answer:

Total cost is $100.41 ( $93.84 + $6.57)

Step-by-step explanation:

Thinking Point: The total cost is the cost of the items PLUS the tax. 93.84 ∙ 0.07 = 6.5688 (round to “cents”) = $6.57


Hope this helped!

6 0
3 years ago
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Is (2,0) a solution to y&lt;2x+4?
Tema [17]

Yes, (2,0) is a solution to y<2x+4

4 0
3 years ago
How many 11/4 pound packages can you make<br> with 71/2 pounds of cashews?
vovangra [49]

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12 whole bags

Step-by-step explanation:

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3 years ago
Margie is standing on a bridge looking at the river below. She throws a rock over the bridge with an initial
Marina CMI [18]
<h2>Explanation:</h2><h2></h2>

Here we know that Margie is standing on a bridge looking at the river. She throws a rock over the bridge with an initial  velocity of 60 ft/sec. The height, h, of the rock at the rime t seconds after it was thrown can be modeled by the  equation:

h(t) = -16t^2+60t+72

To calculate how long will it take for the rock to reach the surface of the water, we need to set h(t)=0. So:

0 = -16t^2+60t+72 \\ \\ \\ \text{Using quadratic formula}: \\ \\ t=\frac{-b \pm \sqrt{b^2-4ac}}{2a} \\ \\ \\ a=-16 \\ \\ b=60 \\ \\ c=72 \\ \\ \\ t=\frac{-60 \pm \sqrt{60^2-4(-16)(72)}}{2(-16)} \\ \\ t=\frac{-60 \pm \sqrt{60^2-4(-16)(72)}}{2(-16)} \\ \\ t=\frac{-60 \pm \sqrt{8208}}{-32} \\ \\ t_{1}=4.70 \\ \\ t_{2}=-0.95

Given that time can't be negative, we just choose the positive value. Therefore, <em>it will take 4.70 seconds for the rock to reach the surface water.</em>

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