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babunello [35]
2 years ago
15

Can someone please help

Mathematics
1 answer:
Hitman42 [59]2 years ago
6 0
Well what’s your question you need help with?
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Is 28 a solution to the inequality you wrote in exercise 4? How do you know? Exercise 4
loris [4]
Hello there,

If you are putting 28 on the less than side it is.
Correct 
30>28

Incorrect
28>30

Hope this helped!
4 0
2 years ago
Read 2 more answers
Which shows 0.23 repeated as a fraction.<br> A. 2/33 <br> B. 7/33 <br> C. 23/99 <br> D. 7/30
sergij07 [2.7K]

Answer: c

Step-by-step explanation: 23/99 as a fraction

8 0
2 years ago
Help? Please?<br> I really suck at geometry
Maslowich

Answer:

x = 14

y = 4

Explanation:

Ok so, just from looking at the two triangles i can tell they're congruent right triangles. I used different colors to show which sides of the triangle correspond and are equal to each other in my attatched photo.

So the side thats equal to x is the same length as the side that's equal to y+10 on the other triangle.

So we can write the equation x = y + 10.

Using this same method, the side that's equal to x + 2 is the same length as the side that's equal to 4y on the other triangle.

So, we can write the equation 4y = x + 2.

Now we have the equations \left \{ {{x=y+10} \atop {4y=x+2}} \right. you could rewrite to be in slope- intercept form so they're easier to graph. But a graphing calculator online would plot it just fine.

If you graph these two equations they'll intersect at the solution ( 14, 4 ). I'll include the graph in my images as well.

To check your answer, you can plug in x and y and see if the triangle sides end up being the same length. I did and it was correct.

8 0
3 years ago
Choose the table that represents g(x) = −2⋅f(x) when f(x) = x + 4
fomenos

Answer:

  x g(x)

  1 −10

  2 −12

  3 −14

Step-by-step explanation:

Substitute the values and do the arithmetic.

Table values for x are 1, 2, 3. We only need to find g(1) to determine which table is the correct choice.

  f(1) = 1 +4 = 5 . . . . . . . . . put 1 where x is and do the arithmetic

 g(1) = -2·f(1) = -2·5 = -10 . . . . . matches the 3rd choice

6 0
3 years ago
What is the probability of flipping 4 coins and having exactly three of them land on tails?
Elodia [21]
3/4 coins are heads:
THHH
HTHH
HHTH
HHHT

4 chances

2 options of heads/tails with 4 coins

2*2*2*2= 16

4/16 :)
4 0
2 years ago
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