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Elina [12.6K]
2 years ago
13

(1 point) According to the 1993 World Almanac, the number of calories a person walking at 3 mph burns per minute depends on the

person's weight as in the following table.
Mathematics
1 answer:
ss7ja [257]2 years ago
4 0
Burned 3 km or 5 hope it helps
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Will give brainliest!
miv72 [106K]

Answer:

it means that the roots of the quadratic equation is real and distinct and that means that 40 is a positive value

6 0
2 years ago
What solid 3D object is produced by rotating the quarter-circle about line m
Grace [21]

Answer:

hemisphere.

Step-by-step explanation:

it is a hemisphere with radius=5 units.

or hemisphere with diameter=10 units

3 0
3 years ago
Read 2 more answers
This is a proportion. What is the value of X?
Verizon [17]

Answer:

x = 15 or x = - \frac{2}{5}

Step-by-step explanation:

Cross- multiplying gives

(14x + 6)(17x + 5) = 9x(27x + 11) ( expanding factors )

238x² + 172x + 30 = 243x² + 99x

rearrange into standard form : ax² + bx + c = 0

5x² - 73x - 30 = 0 ← in standard form

consider the factors of the product 5 × - 30 = - 150 which sum to the coefficient of the x-term (- 73 )

the factors are - 75 and + 2

Use these factors to split the middle term

5x² - 75x + 2x - 30 = 0 ( factor by grouping )

5x(x - 15) + 2(x - 15) = 0 ← take out the factor (x - 15)

(x - 15)(5x + 2) = 0

equate each factor to zero and solve for x

x - 15 = 0 ⇒ x = 15

5x + 2 = 0 ⇒ x = - \frac{2}{5}


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2 years ago
PLEASE THINS IS DUE BY 1 P.M TODAY. PLEASE HELP ME
zaharov [31]

6 {x}^{2}  {y}^{2} (y + 3xy + 6x)
6 0
3 years ago
Solve equation using square roots (x-1)^2=4
Aneli [31]
X is equal 3. to do this, you do reverse of order of operations. So this means that you would to the 'times 2' first by dividing 4 by 2 to make it 2. then, in the parenthesis, since there is a 'minus 1', therefore you are going to add 1+2 which equals three.  <span />
4 0
3 years ago
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