All categories

3 years ago

How many tens and 15 ones equals 6 tens and 5 ones

Mathematics

1 answer:

alexdok [17]3 years ago

8 0

65-15=50
50/10=5

You need 5 tens and 15 ones to equal 6 tens and 5 ones

You might be interested in

the mean average distance that jack runs in his last 10 runs is 5.7 miles. work out the distance that he would need to make this

ziro4ka [17]

Answer:

9 miles

Step-by-step explanation:

mean is calculated as

mean = $\frac{sum}{count}$ , then

$\frac{sum}{10}$ = 5.7 ( multiply both sides by 10 )

sum = 57

let x be the distance he needs to cover so mean is 6 , that is

$\frac{sum+x}{11}$ = 6 ( multiply both sides by 11 )

sum + x = 66 , that is

57 + x = 66 ( subtract 57 from both sides )

x = 9

That is he would have to run 9 miles

3 0

3 years ago

Right answer gets brainlist

elena55 [62]

Answer:

546

Step-by-step explanation:

Surface Area = 2(lw + lh + wh)

plug in 21 10.5 and 2.5

4 0

3 years ago

What is the area of this figure? Drag and drop the appropriate number into the box. A = cm² 108 135 189 318 A shape made up of a

Lyrx [107]

The square will have area
.. (9 cm)^2 = 81 cm^2.

The two triangles together will have area
.. (9 cm)*(12 cm) = 108 cm^2.

The sum of the areas of those three shapes is
.. 81 cm^2 +108 cm^2 = 189 cm^2

8 0

3 years ago

Read 2 more answers

Thirty adults were asked which of the following conveniences they would find most difficult to do without: television, refrigera

Brut [27]

Answer:

(D) Pie chart

Step-by-step explanation:

The most appropriate method to represent the resulting data is the pie chart. This is because, in this sample, the variables are few and of nominal type.

Of the rest of the options, the only other that could be used is the histogram, since it can represent nominal variables with their corresponding frequency. The rest of the options have other uses not appropriate for this type of sample.

3 0

3 years ago

A principal believes 50% of her music students reported their practice hours accurately. Based on that assumption, she ran 200 s

Alex17521 [72]

Answer:

C. unlikely

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

A probability is said to be extremely likely if it is 95% or higher, and extremely unlikely if it is 5% or lower. A probabilty higher than 50% and lower than 95% is said to be likely, and higher than 5% and lower than 50% is said to be unlikely.

In this problem, we have that:

$\mu = 0.48, \sigma = 0.18$