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3 years ago

What is 7/8 times 4 1/6

Mathematics

1 answer:

professor190 [17]3 years ago

7 0

7/8*25/6

1 1/3

this is the anwser

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Find the value of x.........

GREYUIT [131]

The angles of a triangle should add up to 180 degrees. in the left triangle, you should find the 3rd angle

75 + 50 + y = 180
125 + y = 180
y = 55

vertical angles are congruent, so the left angle on the right triangle will also be 55 degrees.

then you do the same thing to find x.

85 + 55 + x = 180
140 + x = 180
x = 40

3 0

3 years ago

Read 2 more answers

How do you solve -2+6(-6x+6)?

Natali5045456 [20]

Answer: −36x+34

Step-by-step explanation:

Equation: −2+6(−6x+6)

Step 1. distribute the equation:

−2+(6)(−6x)+(6)(6)

−2+−36x+36

Step 2. Finally combine like terms:

−2+−36x+36

(−36x)+(−2+36)

−36x+34

Final Answer:

−36x+34

Hope I could help! :)

4 0

3 years ago

Solve this equation. Enter your answer in the box.<br> 13(y+7)=3(y−1)

Ahat [919]

Y=-9 2/5

Decimal form- y= -9.4

4 0

3 years ago

Jason wants to fill a cylindrical water tank to its full capacity. He knows that the volume of the tank is equal to the product

almond37 [142]

Answer:

The answer is B ⇒ $\sqrt{\frac{V}{15\pi }}=10$

Step-by-step explanation:

∵ v = π r² h

∴ r² = $\frac{V}{\pi h }$

∴ r = $\sqrt{\frac{V}{\pi h}}$

∵ r = 10 ft and h = 15 ft

∴ $10=\sqrt{\frac{V}{15\pi } }$

4 0

3 years ago

Read 2 more answers

What two numbers multiply to 54 and add up to 7

k0ka [10]

Xy = 54
x + y = 7

$xy = 54$
$\frac{xy}{x} = \frac{54}{x}$
$y = \frac{54}{x}$

$x + y = 7$
$x + \frac{54}{x} = 7$
$\frac{x^{2}}{x} + \frac{54}{x} = 7$
$\frac{x^{2} + 54}{x} = 7$
$x^{2} + 54 = 7x$
$x^{2} - 7x + 54 = 0$
$x = \frac{-(-7) \± \sqrt{(-7)^{2} - 4(1)(54)}}{2(1)}$
$x = \frac{7 \± \sqrt{49 - 216}}{2}$
$x = \frac{7 \± \sqrt{-167}}{2}$
$x = \frac{7 \± i\sqrt{167}}{2}$
$x = \frac{7 \± 12.9i}{2}$
$x = 3.5 \± 6.45i$
$x = 3.5 + 6.45i$ $or$ $3.5 - 6.45i$

x + y = 7
3.5 + 6.45i + y = 7
- (3.5 + 6.45i) - (3.5 + 6.45i)
y = 3.5 - 6.45i
  (x, y) = (3.5 + 6.45i, (3.5 - 6.45i)

  or

  x + y = 7
3.5 - 6.45i + y = 7
- (3.5 - 6.45i)   - (3.5 - 6.45i)
y = 3.5 + 6.45i
(x, y) = (3.5 - 6.45i, 3.5 + 6.45i)

The two numbers that add up to 7 and can multiply to 54 is 3.5 ± 6.45i.

5 0

3 years ago