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Marrrta [24]
3 years ago
11

Helpppppppppppppppppppp

Mathematics
1 answer:
Lelechka [254]3 years ago
5 0

Answer:

30:1

Step-by-step explanation:

1. Look at the graph and follow along the lines.

2. When x is 1 in hours then cakes are 30.

3. So we can write the ratio from cakes to hours.

4. The ratio is 30:1.

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A jar contains at least 600 marbles. Two-thirds of the marbles are red. The rest are blue. How many marbles are blue?
shtirl [24]

Answer:

200 marbles are blue only if there are 600 marbles in total. If there are more than 600, you calculate by dividing the total number of marbles by three.

3 0
2 years ago
Read 2 more answers
Evaluate y 9-(-9) =? ​
iVinArrow [24]

Answer: 18

Step-by-step explanation:

when there is a in front of an expression in parentheses change the sign of each term in the expression. 9+9=18 so ANSWER 18

6 0
3 years ago
The top running speed of a cheetah is double the top running speed of a jackal. The top running speed of an elk is 11 miles per
rosijanka [135]

Answer:

The speed of Jackal is 35 miles per hour.

The speed of Cheetah is 70 miles per hour.

The speed of Elk is 46 miles per hour.

Step-by-step explanation:

Consider the provided information.

Let J represents the top speed of jackal.

The top running speed of a cheetah is double the top running speed of a Jackal.

This can be written as:

Cheetah = 2J

The top running speed of an elk is 11 miles per hour faster than that of  a Jackal.

Elk = J + 11

If each of these three animals could run at top speed for an hour (which, of course, is not possible), they could run a combined distance of 151.

This can be written as:

2J+J+J+11=151

4J=151-11

4J=140

J=35

Hence, the speed of Jackal is 35 miles per hour.

The speed of Cheetah is 2J = 2×35 = 70

Hence, the speed of Cheetah is 70 miles per hour.

The speed of Elk is J + 11 = 35+11 = 46

The speed of Elk is 46 miles per hour.

5 0
3 years ago
I need help with this question please?! I'm having a hard time answering it!
Darina [25.2K]

Answer:

£0.40

Step-by-step explanation:

Divide £40 by £3.30 to find the number she can buy

£40 ÷ £3.30 = 12.1212..

That is she can buy 12 light bulbs

cost = 12 × £3.30 = £39.60

change = £40 - £39.60 = £0.40

4 0
2 years ago
What is the measure of angle 7?
umka2103 [35]

Answer:

<7 = 47, 2x - 5 + 47 = 180, x = 69

Step-by-step explanation:

<5 and <7 are vertical angles, which means that they have the same degree.

<7 + <6 = 180. <6 = 2x - 5. 2x - 5 + 47 = 180.

Solve

2x - 5 + 47 = 180

2x + 42 = 180

2x = 138

x = 69

6 0
2 years ago
Read 2 more answers
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