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Vaselesa [24]
3 years ago
5

I need it right nowww pleaase help meee

Mathematics
1 answer:
Schach [20]3 years ago
4 0

Answer:

\frac{3}{5}

Step-by-step explanation:

  1. 1 + \frac{1}{2} = \frac{2+1}{2} = \frac{3}{2}
  2. 1 / \frac{3}{2} = 1 * \frac{2}{3} = \frac{2}{3}
  3. 1 + \frac{2}{3} = \frac{3+2}{3} = \frac{5}{3}
  4. 1 / \frac{5}{3} = 1 * \frac{3}{5} = \frac{3}{5}

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Solve the equation for<br> x 3/4(x+21) = 10.5 <br> x =
MrRa [10]
<h3>✍️ Answer:</h3><h3>x=-\frac{294}{13}</h3>

✽✽✽✽

\frac{x\cdot \:3}{4\left(x+21\right)}=10.5

\mathrm{Multiply\:both\:sides\:by\:}4\left(x+21\right)

\frac{x\cdot \:3}{4\left(x+21\right)}\cdot \:4\left(x+21\right)=10.5\cdot \:4\left(x+21\right)

3x=42\left(x+21\right)

3x=42x+882

\mathrm{Subtract\:}42x\mathrm{\:from\:both\:sides}

3x-42x=42x+882-42x

-39x=882

\mathrm{Divide\:both\:sides\:by\:}-39

\frac{-39x}{-39}=\frac{882}{-39}

x=-\frac{294}{13}

❅❅❅❅❅❅❅❅❅❅

<h3>hope it helps...</h3><h3>have a great day!!</h3>
4 0
3 years ago
Extra points
weqwewe [10]

Answer:

Sale tax rate = 7.5%

Step-by-step explanation:

The book cost $12.95

If you take 12.95 x 0.075 = 0.97125

Round the answerto the hundredth (0.97)

Add the tax, 12.95 + 0.97 = 13.92

5 0
3 years ago
X+2y=10<br> X+y=6<br> Using eliminations to solve each system
Svetllana [295]

Answer:

x= 2

y=4

Just subtract by like numbers.

7 0
3 years ago
Read 2 more answers
Can anyone help me with this
Nataliya [291]
To find surface area, we can use the equation:

SA=2lw+2wh+2lh, where:
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w=3 in
h=7 in

SA=(2)(10)(3)+(2)(3)(7)+(2)(10)(7)
SA=60+42+140
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5 0
3 years ago
What is the measure of the arc from A to B that does not pass through C?
sergeinik [125]

Applying the inscribed angle theorem, the measure of the arc from A to B is: 100 degrees.

<h3>What is the Inscribed Angle Theorem?</h3>

The inscribed angle theorem states that an inscribed angle in a circle is half the central angle.

Angle BAC = 40 degrees, so, central angle = 80 degrees. Arc BC would also be 80 degrees.

Measure of arc AC through point B = 180 degrees.

Arc AB = 180 - 80 = 100 degrees.

Learn more about the inscribed angle theorem on:

brainly.com/question/3538263

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3 0
2 years ago
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