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GuDViN [60]
3 years ago
13

I need help with this​

Mathematics
1 answer:
Inessa [10]3 years ago
8 0

Step-by-step explanation:

2x = 4x - 6, => x = 3.

3x = y, => y = 9.

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!!!20 POINTS!!!90 feet per minute. how many hours to walk 3 miles use unit analysis​
Molodets [167]

Answer:33.3

Step-by-step explanation: a mile is 1000×3 so it's 3000/90

6 0
3 years ago
in Austin Texas 8 bats ate 40 grams of insects in one night at this rate how many grams of insects could 64 bats eat in one nigh
podryga [215]

Answer:320

Step-by-step explanation: 8 bats equals 40 grams of insect. 8 x 5= 40. 64 bats equals 320. 64 x 5 =320.

4 0
3 years ago
Please help me find the distance between the points (5,4) and (1,-2) and express the answer in simplest radical form.
finlep [7]
The distance between two points can be calculated using the following formula:
distance = sqrt [ (x2-x1)^2 + (y2-y1)^2]

Now, we are given the two points (5,4) and (1,-2)
Substitute with the given points in the above equation to get the distance as follows:
distance = sqrt [(1-5)^2 + (-2-4)^2]
distance = sqrt [16+36] = sqrt[52]
distance = 2√13 = 7.2111 units

7 0
3 years ago
6x+7y=5<br>2×-3y=7<br><img src="https://tex.z-dn.net/?f=6%20%5Ctimes%20%20%2B%207y%20%3D%205%20%5C%5C%202%20%5Ctimes%20%20-%203y
svetoff [14.1K]

Answer:

x=2; y=-1

Step-by-step explanation:

Hello,

(1) 6x+7y=5

(2) 2x-3y=7

We multiply equation (2) by 3, it gives

6x-9y=21 and we subtract from (1)

6x-9y-6x-7y=-16y=21-5=16

So y = -1

we replace in (1) 6x-7=5 <=> 6x=7+5=12 <=> x =12/6=2

thanks

8 0
3 years ago
Read 2 more answers
Please help me! Based on the information marked in the diagram, XYZ and ABC must be congruent.
Annette [7]
True

YZ = BC
<Z = <C
XZ = AC


both triangles are congruent by SAS

7 0
3 years ago
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