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Scorpion4ik [409]
3 years ago
12

Multiply terms with the same bases and exponents

Mathematics
1 answer:
White raven [17]3 years ago
5 0
Keep the base add the exponents
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When Charlotte works out, she spends 45 minutes doing cardio and 50 minutes doing
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Answer:

Charlotte

Step-by-step explanation:

Charlotte has a 9 to 10 and Wayne has a 47 to 48.

Wayne does more cardio to resistance

8 0
4 years ago
Barbra buys-
zysi [14]

Answer:

No, Barbra is wrong as cost of 1 loaf of bread is £1.50 not $1.40.

Step-by-step explanation:

Note: This question is not complete. The complete question is therefore provided before answering the question as follows:

Barbara buys 3 boxes of eggs costing £1.20 each

1 jar of mayo costing £1.80

2 loaves of bread

she pays £10 note and gets £1.60 change

Barbara works out the cost of 1 loaf of bread as £1.40.

Is she correct? You MUST show your working out.

The explanation of the answer is now given as follows:

Total cost of 3 boxes of eggs = Number of boxes of eggs bought * Price per box of egg = 3 * £1.2 = £3.60

Cost of 1 jar of mayo = £1.80

Total amount spent = Note paid - Change collected = £10 - £1.60 = £8.40

Total cost of 2 loaves of bread = Total amount spent - Total cost of 3 boxes of eggs - Cost of 1 jar of mayo = £8.40 - £3.60 - £1.80 = £3.00

Cost of 1 loaf of bread = Total cost of 2 loaves of bread / 2 = £3.00 / 2 = £1.50

Therefore, Barbra is wrong as cost of 1 loaf of bread is £1.50 not $1.40.

8 0
3 years ago
The temperature at 9:00 a.m. was 4°C. At 7:00 p.m., the temperature
Verdich [7]

Answer:

16-degree decrease

Step-by-step explanation:

Take the final temperature of -12   and subtract the initial temperature of 4

-12 - 4

-16

The change in temperature is 16 degrees

The minus sign tells us it was a decrease

3 0
3 years ago
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\bf \sqrt{68}\qquad &#10;\begin{cases}&#10;68=2\cdot 2\cdot 17\\&#10;\qquad 2^2\cdot 17&#10;\end{cases}\qquad \sqrt{2^2\cdot 17}\implies 2\sqrt{17}
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3 years ago
Four gallons of paint are used to paint 25 chairs. If each chair used the same amount of paint, how many gallons are used to pai
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0.16 gallons of paint are used on each chair. The answer lies between 0 and 1.
4 0
3 years ago
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