3 years ago

What's the answer to this??

Mathematics

1 answer:

Evgen [1.6K]3 years ago

3 0

The variable "x" equals 7

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13. Dave wants to buy a ceramic vase. The sale price is £3.

Irina-Kira [14]

Answer:

0.7x=3

divide by 0.7

x=4.28

Hope This Helps!!!

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3 years ago

There are 6 squares and 9 circles. What is the simplest ratio of squares to<br> total shapes?

sp2606 [1]

Answer:

2:5

Step-by-step explanation:

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3 years ago

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Rationalise the denominator and simplify 10 over square root of 2

Gemiola [76]

Answer:

10/√2

To rationalize multiply the numerator and denominator by the surd in the denominator

10/√2×√2/√2

=10√2/2

8 0

2 years ago

Simplify the expression into form a+bi, where rational numbers <br><br>(4-i)(-3+7i) - 7i(8+2i)

yawa3891 [41]

Answer:

-12+28i+3i-7i-65i+28

14 -41i

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4 years ago

Julia plays volleyball and finished the regular season with 25 digs. The graph relates her total number of digs for the season t

Law Incorporation [45]

We need to find an equation in the form $y=mx+b$ .

To find $m$ , we use the formula:
$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

We'll use the points $(0, 25)$ and $(4, 37)$ :
$m=\frac{37-25}{4-0}=\frac{12}{4}=3$

The value of $b$ (the y-intercept) is the value of $y$ when $x=0$ , which is 25.

So the equation is $y=3x+25$ (choice A).

6 0

3 years ago

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