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3 years ago

1. The equation shows the relationship between x and y:

Mathematics

2 answers:

dsp733 years ago

6 0

Answer:

-8

Step-by-step explanation:

This equation is put into the slope-intercept form, which is y = mx + b, where m is the slope, and b is the y-intercept. In this equation, -8 is m and 3 is b, so the slope of the equation is -8.

I hope you find this helpful. Happy studying. :)

RoseWind [281]3 years ago

3 0

Answer:

-8

Step-by-step explanation:

hello :

y = −8x + 3 the slope is -8

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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,

$x = \frac{420}{150}$
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Therefore 250g of Roquefort cheese will cost

£2.8

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Answer:

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Step-by-step explanation:

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