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3 years ago

Answer this, please.

Mathematics

2 answers:

wlad13 [49]3 years ago

8 0

13 runners, if you add up all the runners in each column you get 13 :)

Paul [167]3 years ago

6 0

The mileage was recorded for

13 runners

Just add up the number that all the bars hit and you get 13

Happy answering!

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A Gas'n' wash gasoline sells for $4.00 A gallon and a car wash cost $12. Harika want to have her car washed and keep her total p

Verdich [7]

Answer:

Step-by-step explanation:

60-12=48 will be your answer of 4$ per gallon

3 0

3 years ago

A marble is selected at random from a jar containing 5 red marbles, 2 yellow marbles & 3 green marbles. What is the probabil

lisabon 2012 [21]

Answer:

5/11

explanation

Probability here is the chance of selection out of a total. So, we need to first find the total number of marbles.

total

So there are

marbles total. The probability that we pick one of the

green marbles out of the

is simply that ratio:

green

Same idea for yellow:

yellow

The probability of picking either of these colors is simply the sum of their probabilities.

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6 0

3 years ago

Help me please ill give 5 star rating

babymother [125]

Answer:

Option A. $7\ basil$ and $11\ squash$

Step-by-step explanation:

Let

b-----> the number of packets of basil seed

s-----> the number of packets of squash seeds

we know that

$b+s=18$

$b=18-s$ -----> equation A

$1.5b+2.5s=38$ -----> equation B

substitute equation A in equation B and solve for s

$1.5(18-s)+2.5s=38$

$27-1.5s+2.5s=38$

$s=38-27$

$s=11$

Find the value of b

$b=18-11=7$

therefore

$7\ basil$ and $11\ squash$

6 0

3 years ago

Are these calculations correct? If so, please put in descending order:

Mkey [24]

No because the last one is not correct and if you want to text me back if you won't me to do it for you for the first three you can

8 0

3 years ago

A scale model of a street sign is in the shape of a triangle. The base is 4.25 cm and the height is 8.8 cm what is the area of t

agasfer [191]

Answer:

18.7 cm²

Step-by-step explanation:

To work out the area of a triangle you have to use the formula

$\frac{1}{2} * B * H$

Where "B" is the base and "H" is the height

Since these are decimals, I like to convert them into fractions which makes them easier to calculate with

The base is 4.25 cm which will turn into $4\frac{1}{4}$

The height is 8.8 cm which will turn into $8\frac{8}{10}$

Now we use the formula

$\frac{1}{2} * B * H$

$\frac{1}{2} * 4\frac{1}{4} *8\frac{8}{10}$

→ Convert to improper fractions

$\frac{1}{2} * \frac{17}{4} *\frac{88}{10}$

→ Simplify

$\frac{187}{10}$

→ Convert into decimal

18.7

7 0

3 years ago