Tracy is running in a 5.25km race on Saturday. a marathon is approximately 42km.
how many times as long as Tracy's race is a marathon.

Answers

Answer 1

Answer: how amny times more is marathon than tracy's race
tracy t imes x=42
5.25 times x=42
divide both side by 5.25 (since 5.25/5.25=1)
x=8

answe ris 8 times

Answer 2

Answer:

Answer:

x-8

Step-by-step explanation:

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85% of 20 is what number

Answers

85% of 20 is 17

Convert the percentage to a decimal:
$(85)/(100) = 0.85$

Multiply your decimal and 20:
$0.85 * 20 = 17$

the price of a tent was decreased by 15% and sold for 76.49. What was the original price of the tent in dolars?

Answers

89.98 ... 76.49 divided by 85%

509.93 i think thats it

The curve produced by the water coming from a hose is sketched onto a graph with zeros at 1 and 5. The point (4,1) also lies on the curve. If h(x) represents the vertical distance from where the water first comes out of the hose and
x represents the horizontal distance, which statements are true? Check all that apply
The scenario can be represented by the function h(x)=-0256)(x-5).
The scenario can be represented by the function h(x)= 16)(x + 5).
The vertex is on the line x=25.
The greatest height that the water reaches is 15 units.
The scenario can be represented by the function h(x)=-166-5).

Answers

Answer:

A and C.

Step-by-step explanation:

From the problem, we deduct that the function has to be quadratic, because it's mention two zeros, which is proper of a polynomial expression with grade 2.

So, we can say that:

$h(x)=a(x-0)(x-5)$

Because, 5 and 0 are roots of the expression.

Also, we know that the point $(4,1)$ is on the curve, this means:

$h(4)=1$

Replacing this relation in the first expression, we have:

$1=a(4-5)$

$1=a(-1)\na=-1$

So, the expression would be:

$h(x)=-1(x-0)(x-5)$

$h(x)=-x(x-5)$

$h(x)=-x^(2) +5x$

If we graph, we could get the vertex easier.

You can see in the image, that the vertex is at x = 2.5

Therefore, the option C is the answer.

However, the first option has this function:

h(x) = –0.25(x)(x – 5).

Which also can be solution, because, if we try x = 4:

h(4) = –0.25(4)(4 – 5)=1

Therefore, option A is also part of the answer.

Answer

answer A and C are right

What is the volume of a cube with a side length of 5 cm? help asapA) 10 cm

B) 15 cm

C) 25 cm

D) 125 cm

Answers

V = a * b * c
a,b,c- lengths of sides
in here a=b=c=5cm
V=5*5*5 = 125 cm^3

or
V=a^3 = 5^3 =125 cm^3

darnell's car used 8 gallons of gasoline to travel 340 miles. after a mechanic work on teh car, it used 7 gallons of gasoline to travel 350 miles. if the price of gasoline was approximately $4.00 per gallon, how much less to the nearest cent per mile, did it cost to run the car after the mechanic worked on it?

Answers

What we are going to do for this case is find the cost for each case:
Cost to run the car before the mechanic worked on it:
$(4) * (8) = 32 dollars (32) * (1/340) = 0.09 dollars / mile$
Cost to run the car after the mechanic worked on it:
$(4) * (7) = 28 dollars (28) * (1/350) = 0.08 dollars / mile$
The difference between both cases is:
$0.09 - 0.08 = 0.01 dollars / mile$
Answer:
It cost to run the car after the mechanic worked on it 0.01 $ / mile less than before the mechanic worked on it.

Help me please!!!!!!!