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2 years ago

Here are the costs of the sametypes is shops shop a pack 4 batteries £1.60

Mathematics

1 answer:

dalvyx [7]2 years ago

5 0

Answer:

Cost in shop A is lesser.

Step-by-step explanation:

Given:

Shop A 4 batteries cost = £1.60

Shop B 6 batteries cost = £2.70

Find:

Lower price

Computation:

Cost in shop A = £1.60 / 4

Cost in shop A = £0.4

Cost in shop B = £2.70 / 6

Cost in shop B = £0.45

Cost in shop A is lesser.

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Find the value of each variable

kondaur [170]

Answer:

The correct answer is option C

a = 10√3, b = 5√3, c = 15 and d = 5

Step-by-step explanation:

Points to remember

The angles of a right angled triangle, 30°, 60° and 90° then sides are in the ratio, 1: √3 : 2

<u>To find the value of variables</u>

From the figure we can see 2 right angled triangle with angle 30, 60 and 90

we get, d= 5 then b = 5√3

b = 5√3 the c = 5√3 * √3 = 15

and a = 2 * 5√3 = 10√3

Therefore the correct answer is option C

a = 10√3, b = 5√3, c = 15 and d = 5

4 0

2 years ago

Read 2 more answers

Solve for x: -5/6(8+-5/3x)=-10

Anon25 [30]

X=-2 2/5
X=-2.4
X=-12/5

6 0

2 years ago

Read 2 more answers

Amanda bought a 6 cup bag of shredded cheese for $6.89. She used 2.25 cups to make lasagna and 1.25 cups to make pizza. How much

Anna11 [10]

Answer:

3.50 cups

Step-by-step explanation:

6-2.25=4.75

4.75-1.25=3.50

5 0

2 years ago

Airen’s grandparents deposited $1300 in a mutual fund earning 6% interest compounded annually. Write an equation to represent ho

IRINA_888 [86]

$~~~~~~ \textit{Compound Interest Earned Amount \underline{in 18 years}} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$1300\\ r=rate\to 6\%\to \frac{6}{100}\dotfill &0.06\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{annually, thus once} \end{array}\dotfill &1\\ t=years\dotfill &18 \end{cases}$

$A=1300\left(1+\frac{0.06}{1}\right)^{1\cdot 18}\implies A=1300(1.06)^{18}\implies A\approx 3710.64 \\\\[-0.35em] ~\dotfill\\\\ ~\hfill y = 1300(1.06)^x~\hfill$

7 0

1 year ago

Please can someone show me how to work this out step by step without a calculator

Artyom0805 [142]

$2\sqrt8\times8\sqrt2=(2\times8)\sqrt{8\times2}=16\sqrt{16}=16\times4=64$

Alternatively, you can write radicals as rational exponents, so that you get

$2\sqrt8\times8\sqrt2=2\tiems8^{1/2}\times8\times2^{1/2}=2^{3/2}8^{3/2}$

Then recalling that $2^3=8$ , you have

$2^{3/2}8^{3/2}=2^{3/2}(2^3)^{3/2}=2^{3/2}2^{9/2}=2^{12/2}=2^6=64$

5 0

3 years ago