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3 years ago

Find 72% of 850. A 118 B 612 C 238 D 618

Mathematics

2 answers:

MaRussiya [10]3 years ago

6 0

Answer:

612

Step-by-step explanation:

you can do 72/100 × 850 to get your answer

Gnom [1K]3 years ago

3 0

Answer:

612

Step-by-step explanation:

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Help please rn help

aksik [14]

Area of the large semicircle

$= \pi{r}^{2} \div 2$

$= \frac{22}{7} \times 12 {}^{2} \times \frac{1}{2}$

$= \frac{11}{7} \times12 \times 12$

$= \frac{11}{7} \times 144$

$= 226.28$

Area of the small semicircle

$= \pi {r}^{2} \div 2$

$= \frac{22}{7} \times 6 {}^{2} \times \frac{1}{2}$

$= \frac{11}{7} \times 6 \times 6$

$= \frac{11}{7} \times 36$

$= 56.57$

Area of the figure

$= 226.28 - 56.57$

$= 169.71 {cm}^{2}$

8 0

3 years ago

7 over radical 90 write in simplist form

Arte-miy333 [17]

Simplify the square root
$7 \sqrt{90} = 7\sqrt{3 { }^{2} \times 10}$
Separate the numbers in the square root to look like this
$7 \sqrt{3 ^{2} } \sqrt{10}$
Because three is squared, it cancels out the square root
$7 \times 3 \sqrt{10}$
Simplify to get your answer:
$21 \sqrt{10}$

5 0

3 years ago

A hotel plans to use marble for part of the floor lobby. The marble section of the floor will be in the shape of a triangle with

Alexxandr [17]

C(b,h)=6bh/2=3bh

C(80,60)=3*80*60=$14400.00

6 0

3 years ago

Read 2 more answers

Which of the following options best describes the solution process and solution(s) for the quadratic equation? -2x2 + 3x + 4 = 7

Sophie [7]

Answer:

Step-by-step explanation:

If there are options, please share them.

Subtract 7 from both sides. We obtain: -2x^2 + 3x - 3. The coefficients of this quadratic are a = -2, b = 3 and c = -3. Thus, the discriminant is

b^2 - 4ac, or 3^2 - 4(-2)(-3), or 9 - 24, or -15. Because the discriminant is negative, this quadratic has two complex roots which differ:

-3 ± i√15

x = -----------------

-4

3 0

4 years ago

What is the product of 2.52 and 3.4

ElenaW [278]

2.52 x 3.4

= (2.50 + 0.02)(3.00 + 0.40)

= 2.50 x 3.00 + 2.50 x 0.40 + 0.02 x 3.00 + 0.02 x 0.40

= 7.500 + 1.000 + 0.060 + 0.008

= 8.500 + 0.060 + 0.008

= 8.560 + 0.008

= 8.568

5 0

3 years ago