3 years ago

Please help ill give BRAINLIEST

Mathematics

1 answer:

S_A_V [24]3 years ago

6 0

Answer:

B and D

Step-by-step explanation:

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What is the area of a circular wading pool with a radius of 50 cm?

UNO [17]

Answer:

B. 7854.0 cm2

The area of a circle is given by A= π $r^{2}$ where r is the radius

So A= π $50^{2}$ = 7854.0 cm2

7 0

3 years ago

June bought 3 1 2 312 gallons of white paint at $17.50 per gallon and 1 3 4 134 gallons of blue paint at $19.00 per gallo

algol [13]

312* 17.5= 5460.00

134*19=2546

2546+5460= $8,006.00

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3 years ago

Endpoint: (-4, 8), midpoint: (3,-4)<br><br> Find the other endpoint<br><br> Explain please

swat32

Answer: (10,-16)

Step-by-step explanation:

$A(-4,8)\ \ \ \ C(3,-4)\ \ \ \ \ B(x_B,y_B)=?\\$

See the graph below.

$\displaystyle\\\boxed {x_C=\frac{x_A+x_B}{2} }\\\\$

Multiply both parts of the equation by 2:

$2x_C=x_A+x_B\\2x_C-x_A=x_A+x_B-x_A\\2x_C-x_A=x_B$

Hence,

$x_B=2*3-(-4)\\x_B=6+4\\x_B=10$

$\displaystyle\\\boxed {y_C=\frac{y_A+y_B}{2} }$

Multiply both parts of the equation by 2:

$2y_C=y_A+y_B\\2y_C-y_A=y_A+y_B-y_A\\2y_C-y_A=y_B$

Hence,

$y_B=2*(-4)-8\\y_B=-8-8\\y_B=-16\\Thus,\ B(10,-16)$

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2 years ago

BO and OC are the bisector of angle B and angle C of the triangle ABC. Find BOC if BAC = 70 degrees.

JulijaS [17]

Answer:

BOC= 110 degrees

Step-by-step explanation:

you can refer the above explanation

6 0

3 years ago

Find the slope of a line perpendicular to 3x+y=15 ,-1/3, 5, -3, 1/3

Fittoniya [83]

So in the proper form, the equation would by y = 3x + 15. This means it has a slope of 3. Perpendicular lines have slopes that are negative reciprocals. The negative reciprocal of 3 (or 3/1) is -1/3.

8 0

3 years ago

Please help ill give BRAINLIEST​

Please help ill give BRAINLIEST