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ss7ja [257]
3 years ago
15

X*[y+(-6)]=[13*(-19)]+[13*z]

Mathematics
1 answer:
frozen [14]3 years ago
7 0
Answer:
X=13z-247/y-6

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Seventh grade
nirvana33 [79]

Answer:

Step-by-step explanation

47,400-36,498 = 10,902

10,902/ 47,400 = 0.23

0.23 = 23%

4 0
2 years ago
The area of a certain desert desert one is five times the area of another desert desert 2 if the sum of their areas is 24, 000,
sweet-ann [11.9K]

4,000,000 and 20,000,000 miles²

let x be the area of one desert then 5x is the area of the other

sum = x + 5x = 24,000,000

6x = 24,000,000

divide both sides by 6

x = 4,000,000

one desert is 4,000,000 miles²

and the other is (5 × 4,000,000)= 20,000,000 miles²


8 0
3 years ago
Read 2 more answers
What is the area of the partial circle with a radius of 8 cm? Use 3. 14 for pi.
Olegator [25]
  • Radius=r=8cm

\\ \tt\hookrightarrow Area=\pi r^2

\\ \tt\hookrightarrow Area=\pi 8^2

\\ \tt\hookrightarrow Area=64\pi

\\ \tt\hookrightarrow Area=64(3.14)

\\ \tt\hookrightarrow Area=200.96cm^2

8 0
2 years ago
Read 2 more answers
A village fete has a children’s running race each year, run in heats of up to ten children. For each heat the first three contes
bekas [8.4K]

Answer:  1) 1/3,654     2) 3/406     3) 72,684,900,288,000      4) 120

<u>Step-by-step explanation:</u>

1)         First       and        Second         and         Third

  \dfrac{3\ total\ prizes}{29\ total\ people}\times \dfrac{2\ remaining\ prizes}{28\ remaining\ people}\times \dfrac{1\ remaining\ prize}{27\ remaining\ people}=\dfrac{6}{21,924}\\\\\\.\qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \quad =\large\boxed{\dfrac{1}{3,654}}

2)         First       and          Second

   \dfrac{3\ total\ prizes}{29\ total\ people}\times \dfrac{2\ remaining\ prizes}{28\ remaining\ people}=\dfrac{6}{812}=\large\boxed{\dfrac{13}{406}}

3)\quad \dfrac{29!}{(29-10)!}=\large\boxed{72,684,900,288,000}

4)\quad _{10}C_3=\dfrac{10!}{3!(10-3)!}=\large\boxed{120}

8 0
3 years ago
Choose all that give the correct equation of the line parallel or perpendicular to the given line passing through the point.
andriy [413]

Answer:

A and B

Step-by-step explanation:

Parallel lines are lines which have the same slope. Perpendicular lines have negative reciprocal slopes.

For the options:

A. Both equations have 7/5 as the slope. They are parallel.

B. The slopes are 1 and -1. These are perpendicular.

C. The slopes are 9/2 and are parallel.

D. The slopes are 7/3 and -3/7. They are perpendicular.

The solution is A and B.

7 0
3 years ago
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