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valkas [14]
3 years ago
11

if hector ran 35.5 kilometers last week and 22.5 kilometers this week how many meters did he run over the last two weeks

Mathematics
2 answers:
meriva3 years ago
8 0

Answer:

58000m

Step-by-step explanation:

he ran 35.5km+22.5km=58km

58km(1000m/km)=58000m

TEA [102]3 years ago
5 0
58000 should be the answer
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A town has a population of 5000 and grows at 4% every year. To the nearest year, how long will it be until the population will r
Rus_ich [418]

Answer:

About 21.457 years

Step-by-step explanation:

You can solve this by setting up a simple equation.

5000\cdot 1.04^x \geq 11600

1.04^x \geq 2.32

log base 1.04 2.32=x

x\approx 21.457 years

Hope this helps!

8 0
3 years ago
$13,000 was borrowed from two sources, one that charges 15% simple interest and the other that charges 10% simple interest. If t
guajiro [1.7K]

9514 1404 393

Answer:

  • $9,000 at 15%
  • $4,000 at 10%

Step-by-step explanation:

Let x represent the amount borrowed at 15%. Then the amount borrowed at 10% is (13000-x). The interest at the end of the year is ...

  0.15(x) + 0.10(13000 -x) = 1750

  0.05x = 1750 -1300 . . . . . . . . . . . . simplify, subtract 1300

  x = 450(20) = 9000 . . . . . . . . . . multiply by 20

$9,000 was borrowed at 15%; $4,000 was borrowed at 10%.

5 0
3 years ago
The dashed-line triangle is a dilation image of the solid-lined triangle.
Gre4nikov [31]
Refer to the edited figure.

Triangles ABC and A'B'C' are similar because of AAA.
Also,
\frac{AB}{A'B'}= \frac{15}{5}=3 \\\\  \frac{AC}{A'C'}= \frac{12}{4}=3

Therefore
ΔA'B'C' is 1/3 the size of ΔABC.
This means that the scale factor from ΔABC to ΔA'B'C' is a 3-factor reduction.

Answer:   reduction; one-third.
The dilation is a reduction.
The scale factor of the dilation is one-third.

8 0
3 years ago
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RUDIKE [14]
7*X(number of students)=y(total cost) The independent variable is the number of students and the dependent variable is the cost in dollars. I hope I helped!
3 0
3 years ago
Whats the formula for volume
Bond [772]

Answer:

Volume for cube: L x W x H

L= Length, W= width, H=height

6 0
3 years ago
Read 2 more answers
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