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anyanavicka [17]

5 months ago

7

Susie is saving for a new pair of trainers. Every week, she saves £5 of her pocket money

1 answer:

levacccp [35]5 months ago

4 0

Answer:

7 weeks, £35, and £21.

Step-by-step explanation:

Every week, Suzie saves £5 and gets £3 from her Mum. Altogether, Suzie gets £8 every week. All we need to do is divide 56 by 8, which gives us 7. Suzie will take 7 weeks to collect enough money. To find out how much she has saved and been given by her mum individually, we need only times these values by 7. 5x7=35, and 3x7=21.

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Using the triangle below, answer the following questions.

fomenos

Step-by-step explanation:

<u>Answer(1):</u>

Law of Cosines.

<u>Answer(2):</u>

since side "c" is missing so we will write formula used for side "c"

$c^2=a^2+b^2-2ab\cdot\cos\left(C\right)$

<u>Answer(3):</u>

First lets write both sine and cosine formulas:

Check the attached picture for the list of formulas:

From given picture we see that two angles A and B are missing. Also 1 side "c" is missing.

Sine formula uses two angles while cosine formula uses only one angles.

Hence cosine formula will be best choice to find the missing values.

4 0

2 years ago

Gerry is looking to buy a new car and finds one she likes for $1,000. The dealership is currently offering 15% off. How much mon

Studentka2010 [4]

D 1000 X .15 = 150.

.15 = 15%

6 0

2 years ago

Read 2 more answers

In a poll, 74% of the people polled answered yes to the question "Are you in favor of the death penalty for a person convicted o

Maksim231197 [3]

Answer:

324

Step-by-step explanation:

given that in a poll, 74% of the people polled answered yes to the question "Are you in favor of the death penalty for a person convicted of murder?"

i.e. Sample proportion $p=0.74\\q =1-p =0.26\\$

Margin of error = 4% = 0.04

Confidence level =90%

Z critical value for 90% = 1.645

Margin of error = 1.645 * std error

Hence std error = $\frac{0.04}{1.645} \\=0.0243$

Std error is also equal to

$\sqrt{\frac{pq}{n} } =\sqrt{\frac{0.74(0.26)}{n} } =0.0243\\\sqrt{n} =18..05\\n = 325.83~324$

Sample size should be 324.

The formula is sample size = (Z critical value)^2 (pq)/(Margin of error )^2

3 0

2 years ago

If a cone has a height that equals twice the diameter of its base,what is its volume in terms of the height

Andrew [12]

I am not sure. that is too confusing for my little brain

4 0

2 years ago

The sum of two consecutive integers is 125.find the two integers

rusak2 [61]

Answer:

62 and 63

Step-by-step explanation:

125/2= 62.5 (Middle integer or mean of the 2 integers)

That means that the integers are 62 and 63

4 0

2 years ago