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77julia77 [94]
3 years ago
10

What is the missing value

Mathematics
1 answer:
KatRina [158]3 years ago
8 0

Answer:

the answer is 310 because the total amount is 650 so you subtract 340 from 650 giving you 310 miles to go

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If the exchange rate when converting US dollars to Za rands is $1=R17
den301095 [7]
<h3>Given:</h3>
  • 1 US Dollar= R17
<h3>To find:</h3>

How much is $100 in ZA rands.

<h3>Solution:</h3>

Let the unknown be "x"

\frac{1}{17}×\frac{100}{x}

We'll have to do cross multiplication.

So we'll have to multiply 100 and 17.

100×17

\huge\boxed{= 1700 \: ZA \: rands}

<u>T</u><u>herefore</u><u>,</u><u> </u><u>$</u><u>1</u><u>0</u><u>0</u><u> </u><u>is</u><u> </u><u>1</u><u>7</u><u>0</u><u>0</u><u> </u><u>ZA</u><u> </u><u>rands</u><u>.</u>

8 0
2 years ago
A data set includes data from 500 random tornadoes. The display from technology available below results from using the tornado l
lisov135 [29]

Answer:

The null and alternative hypothesis are:

H_0:\mu =2.6\\H_a:\mu >2.6

There is sufficient evidence to support the claim that the mean tornado length is greater than 2.6 miles

Step-by-step explanation:

Consider the provided information.

The claim that the mean tornado length is greater than 2.6 miles.

If there is no statistical significance in the test then it is know as the null which is denoted by H_0, otherwise it is known as alternative hypothesis which denoted by H_a.

Therefore, the required null and alternative hypothesis are:

H_0:\mu =2.6\\H_a:\mu >2.6

significance level α =0.05

From the given table the test statistic T=2.230166

P-value is 0.0131

0.0131<0.05

P value is less than the significance level, so reject the null hypothesis.

There is sufficient evidence to support the claim that the mean tornado length is greater than 2.6 miles

6 0
3 years ago
Williiam lost 25% of his marble,gave 1/6 of the remainder to his.Brother and had 120 marbles left.How many marbles did he have a
bija089 [108]

Answer:

Number of marbles with Williams at the starting = 192

Step-by-step explanation:

Let total number of marbles with Williams = m

He lost marbles = 25% of the total number

                           = \frac{25}{100}\times m

                           = \frac{m}{4}

Remaining marbles with Williams = m - \frac{m}{4}

                                                        = \frac{3m}{4}

He gave marbles to his brother = \frac{1}{6}th of the remaining marbles

                                                    = \frac{1}{6}\times \frac{3m}{4}

                                                    = \frac{m}{8}

Remaining marbles after giving marbles to his brother = 120

Therefore, \frac{3m}{4}-\frac{m}{8}=120

\frac{6m}{8}-\frac{m}{8}=120

\frac{5m}{8}=120

m = \frac{120\times 8}{5}

m = 192

Number of marbles with Williams at the starting = 192

5 0
3 years ago
PLZ HELP ME! I WILL MAKE YOU BRAINLIEST! Xian and his cousin Kai both collect stamps. Xian has 60 stamps, and Kai has 76 stamps.
zvonat [6]

Answer: After 4 months they will have the same number of Stamps

Xian and Kai will have 124 stamps each one.

Step-by-step explanation:

60+16x = 76+12x (Subtract 12 from both sides)

-12 -12

60+4x = 76 (Subtract 60 from both sides)

-60 -60

4x/4x = 16/4x (Divide 16 by 4)

X = 4

3 0
3 years ago
What is the Slope in the equation y= -2x +5
cricket20 [7]

Answer:

-2

Step-by-step explanation:

y=-2x+5

y=mx+b where m=slope and b=y-intercept

4 0
3 years ago
Read 2 more answers
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