4 years ago

#1. 4 — 3b ≤ 12

Mathematics

1 answer:

nadezda [96]4 years ago

6 0

For number 2 you would just have to divide 332 by 4.

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Find the surface area of the ball shown. use 3.14 for it.

Free_Kalibri [48]

Answer:254.34

Step-by-step explanation:

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4 years ago

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150g of roquefort cheese cost £1.68<br> work out the cost of 250g of roquefort

mafiozo [28]

ANSWER

250g of Roquefort cheese will cost

£2.8

EXPLANATION

If 150g of roquefort cheese cost £1.68, we can write the ratio,

$150: 1.68$

Let 250g of Roquefort cheese cost £x.

Then we can again write the ratio,

$250:x$

We can equate the two ratios and solve for x.

$150: 1.68 = 250:x$

We rewrite the ratios as fractions to obtain,

$\frac{150}{1.68} = \frac{250}{x}$

We cross multiply to get,

$150x = 250 \times 1.68$
This implies that,

$150x = 420$

Divide both sides by 150 to get,

$x = \frac{420}{150}$
$x = 2.8$

Therefore 250g of Roquefort cheese will cost

£2.8

6 0

4 years ago

Please help! (picture)

emmasim [6.3K]

The answer is .9 bc you have to add the negative numbers, which is 1.6 then subtract the result to the other number, 2.5

7 0

4 years ago

Someone can help me please is a emergency

mash [69]

You can use the Pythagorean theorem

4 0

3 years ago

Square root 1.96? is rational irrational

Kruka [31]

Answer:

Rational

Step-by-step explanation:

An irrational number is a number with forever continuing decimals. Plug it into the calc and you can see if there is a long decimal line that ends. You should get 1.4 in the calc, and since it does end, it is a rational number.

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3 years ago