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3 years ago

10 lemons cost £1. 20 find the cost for 4

Mathematics

2 answers:

Kryger [21]3 years ago

7 0

0.48p

Step-by-step explanation:

1.20÷10=0.12

0.12×4=0.48

tigry1 [53]3 years ago

6 0

put the wrong answer ignore this

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What is the solution to this equation:<br> X+7=-8

Brilliant_brown [7]

Answer:

$\boxed {x = -15}$

Step-by-step explanation:

Solve for the value of $x$ :

$x + 7 = -8$

-Subtract both sides by $7$ :

$x + 7 - 7 = -8 - 7$

$\boxed {x = -15}$

So, the value of $x$ is $-15$ .

3 0

3 years ago

The volume

Sedaia [141]

$\bf \begin{array}{cccccclllll}
\textit{something}&&\textit{varies directly to}&&\textit{something else}\\ \quad \\
\textit{something}&=&{{ \textit{some value}}}&\cdot &\textit{something else}\\ \quad \\
y&=&{{ k}}&\cdot&x
&& y={{ k }}x
\end{array}\\ \quad \\
$

and also

$\bf \begin{array}{llllll}
\textit{something}&&\textit{varies inversely to}&\textit{something else}\\ \quad \\
\textit{something}&=&\cfrac{{{\textit{some value}}}}{}&\cfrac{}{\textit{something else}}\\ \quad \\
y&=&\cfrac{{{\textit{k}}}}{}&\cfrac{}{x}
&&y=\cfrac{{{ k}}}{x}
\end{array}
$

now, we know that V varies directly to T and inversely to P simultaneously
thus $\bf V=T\cdot \cfrac{k}{P}$

so $\bf V=T\cdot \cfrac{k}{P}\qquad 
\begin{cases}
V=42\\
T=84\\
P=8
\end{cases}\implies 42=\cfrac{84k}{8}\implies 4=k
\\\\\\
V=\cfrac{4T}{P}\qquad now\quad 
\begin{cases}
V=74\\
P=10
\end{cases}\implies 74=\cfrac{4T}{10}\implies 185=T$

7 0

3 years ago

the area of rectangle a is 11/12 square meters. the area of rectangle b is 8/12 square meters. how much larger is rectangle a?

tresset_1 [31]

11 / 12 - 8 / 12 = 3 / 12 = 1/4 square meters;

5 0

3 years ago

What are the common factors of 20 and 24

Mandarinka [93]

Answer:

Step-by-step explanation:

4 x 5= 20

4x6 = 24

So 4 can go in 20 and 24 making it the common factor

7 0

3 years ago

What is P-6 equal.

katovenus [111]

Answer:

Step-by-step explanation:

P-6 is an expression, your question is incomplete.

6 0

3 years ago