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klio [65]
3 years ago
13

Solve the system of equations by the addition method. 5x + 2y = 1 2x - 2y = -8

Mathematics
1 answer:
dolphi86 [110]3 years ago
3 0

Answer:

(-1, 3)

Step-by-step explanation:

5x + 2y = 1

+

2x - 2y = -8

7x = -7

x= -1

2(-1) - 2y = -8

-2 - 2y = -8

-2y = -6

y = 3

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If there is 45 ml of milkshake left .She used 1 part strawberry cream to 4 parts milk .How many ml of milk is left?
Debora [2.8K]

Given:

Remaining milkshake = 45 ml

She used 1 part strawberry cream to 4 parts milk.

To find:

The remaining amount of milk.

Solution:

It is given that, she used 1 part strawberry cream to 4 parts milk. It means the ratio of strawberry cream and milkshake is 1:4.

Let the remaining amount strawberry cream be x and the remaining amount of milk is 4x. Then,

x+4x=45

5x=45

x=\dfrac{45}{5}

x=9

Now, the remaining amount of milk is:

4x=4(9)

4x=36

Therefore, the remaining amount of milk is 36 ml.

3 0
3 years ago
How do you know if an equation is discrete or continuous
nikklg [1K]
Discrete data have infinite values or buckets, you can count them. Continuous data has an infinite number of steps which form a continuum. Hope this helps. Please answer this as the brainiest to help me thanks.
7 0
4 years ago
3g - 5 = 17<br> Help plz
sveticcg [70]

Answer:

g = 7 1/3

Step-by-step explanation:

  1. Add 5 to both sides so it cancels out. 3g = 22
  2. Divide both sides by 3. g = 7.333...

7.333... and 7 1/3 are equivalent, so just put either one.

8 0
3 years ago
A honeybee leaves the hive, traveling at a speed of 4 mph and returns 1 hour later. What was the distance traveled and the displ
lesantik [10]

Answer:

Distance = 4 miles

Displacement = 0

Step-by-step explanation:

Given that :

Speed of honey bee = 4mph

Total travel time = 1 hour

Distance traveled by the honey bee:

Distance traveled = speed * time

Distance traveled = 4mph * 1 hour

Distance traveled = 4 miles

Displacement = 0 miles ; change in distance from initial position.

Since initial position of the honeybee is the beehive and its final position is the beehive. Hence, the change from its initial position is zero

3 0
3 years ago
What is x*24-34+56? And how did you get the answer?
Ilia_Sergeevich [38]
I assume you are solving for x

<span>x*24-34+56 = 0

Start by isolating the term with x in it on one side of the equation.

To do this, we can subtract 56 and add 34 to both sides.

24x = -22

Divide both sides by 24 to complete the problem.

x= -22/24</span>
5 0
4 years ago
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