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2 years ago

A loaf of bread costs the same as 3 apples. i bought 3 loaves and 5 apples for £5.60. how much does each item cost

1 answer:

8 0

1 loaf of bread = 3 apples
3 loaves of bread = 3 x 3 = 9 apples

3 loaves + 5 apples = £5.60
9 apples + 5 apples = 5.60
14 apples = 5.60
1 apple = £0.40

1 loaf of bread = 3 apples
1 loaf of bread = 3 (0.4)
1 loaf of bred = £1.20

Answer: A loaf of bread costs £1.20 and an apple costs £0.40.

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How many solutions does the following equation have? 2x+8=2(x+3)

wolverine [178]

Answer:

Step-by-step explanation: 2x+8=2x+6 --> 8=6

8 cant be equal to 6 so this equation is wrong and has no solution.

3 0

2 years ago

12k+5=k+49 what's the answer

dybincka [34]

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3 years ago

Which expression is equivalent sqrt10/4sqrt8

N76 [4]

Answer:

The correct option is A

Step-by-step explanation:

The given expression is:

√10/4√8

We have to eliminate the √ from the denominator

4√8 = (2^3)^1/4

Multiply the whole expression by (2)^1/4

=(2)^1/4 * √10/ 2^(1/4)*(2^3)^(1/4)

= 2^(1/4) · 10^(2/4) / 2^1/4+3/4

=2^(1/4) · 10^(2/4) / 2^1+3/4

=2^(1/4) · 10^(2/4) / 2^4/4

=2^(1/4) · 10^(2/4) /2

=2^(1/4) · 100^(1/4) /2

=200^1/4 /2

= 4√200 /2

Thus the correct option is A....

3 0

3 years ago

A wire 15 cm long is cut into two pieces. The longer piece is 3.cmidonger than the shorter piece.Find the length of the shorter

Andre45 [30]

A piece of wire is cut into two pieces. That means each part would be assigned an unknown variable. Let one part be x and the other part be y.

That means,

$x+y=15\operatorname{cm}$

If the longer part is x, and the longer part is 3cm longer than the shorter part, then we would have the following;

$\begin{gathered} x+y=15 \\ x=y+3 \\ \text{This is because x is 3cm longer,} \\ So\text{ the length of x would be y+3} \end{gathered}$

We can now refine the equation as follow;

$\begin{gathered} \text{Where;} \\ x=y+3 \\ x+y=15 \\ y+3+y=15 \\ 2y+3=15 \\ \text{Subtract 3 from both sides;} \\ 2y+3-3=15-3 \\ 2y=12 \\ \text{Divide both sides by 2;} \\ \frac{2y}{2}=\frac{12}{2} \\ y=6 \\ \text{When;} \\ x+y=15 \\ x+6=15 \\ \text{Subtract 6 from both sides;} \\ x+6-6=15-6 \\ x=9 \end{gathered}$

ANSWER:

The length of the shorter piece of wire is 6cm

7 0

1 year ago

Combine the terms to simplify the expression: 5y+12x-y-8x

Sedbober [7]

Answer: 5y + 4x

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers