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Lemur [1.5K]
2 years ago
8

Help me please find x and y

Mathematics
2 answers:
Natali5045456 [20]2 years ago
8 0

Like the explanation of x and y?

Anettt [7]2 years ago
3 0

Answer:

You didn't include anything to find X and Y, but I can help you find it in the future.

Step-by-step explanation:

In order to find X or Y in an equation, do the opposite with the last two numbers.

Example:

2x+1 = 5

You see that we are adding here.

So, we must do the opposite with 1 and 5.

1-5=4

That means that 2x will equal four, which means that x must be 2.

2x2+1=5 This is true, because 2x2=4 + 1 = 5.

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Amelia enjoys running and often runs at a steady pace. At this pace, Amelia can run 50 yards in 12 seconds. What is Amelia's uni
valentinak56 [21]

Answer:

4.16

Step-by-step explanation:

50/12

7 0
2 years ago
Evaluate the expression(-3.8)+0+y for the given values of y.
11111nata11111 [884]

Answer:

y = -3.3 then  -7.1

y = -7.1 then  -10.9

y = -2.6 then -6.4

y = 1 then -2.8

y = 4.2 then 0.4

Step-by-step explanation:

(-3.8)+0+y can be simplified to -3.8 + y. Evaluate each value for y by substituting it into the expression and solving.

y = -3.3 then -3.8 + -3.3 = -7.1

y = -7.1 then -3.8 + -7.1 = -10.9

y = -2.6 then -3.8 + -2.6 = -6.4

y = 1 then -3.8 + 1 = -2.8

y = 4.2 then -3.8 + 4.2 = 0.4

7 0
3 years ago
Lila flies a drone in the direction of 90° towards Avery. Once she gets to Avery she changes course and flies in the direction o
Nikitich [7]

Answer:

X = 13.13 feet

Step-by-step explanation:

Let the distance between Lila and Mark be x.

Let the distance between Avery and lila be A= 20

Let the distance between Avery and Mark be B= 30

Angle x = 200-180=20°

To solve this question we will use the cosine formula which is

X² = A²+ B² -2ABcosx

X²= 20² + 30² -2(20)(30)cos20

X²=1300-1127.6

X²= 172.4

X= 13.13

8 0
3 years ago
A random sample of 10 single mothers was drawn from a Obstetrics Clinic. Their ages are 22, 17, 27, 20, 23, 19, 24, 18, 19, and
Sever21 [200]

Answer:

The two-tailed P value equals 0.2308

 By conventional criteria, this difference is considered to be not statistically significant.

Step-by-step explanation:

Given is a random sample of 10 single mothers

the ages are given as

22, 17, 27, 20, 23, 19, 24, 18, 19, and 24 years

H0: Mean = 20

Ha: Mean not equals 20

(two tailed test at 5% significance level)

The hypothetical mean is 20.00

The actual mean is 21.30

The difference between these two values is 1.30

The   95% confidence interval of this difference:

From -0.99 to 3.59

 t = 1.2851

 df = 9

 standard error  = 1.012

The two-tailed P value equals 0.2308

 By conventional criteria, this difference is considered to be not statistically significant.

6 0
3 years ago
Select all ratios equivalent to 7:12.<br> 3:36, 49:84, 20:21, 10:30
aliina [53]
49:84 is the only one
6 0
3 years ago
Read 2 more answers
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