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daser333 [38]
3 years ago
11

Sadie and Connor both play soccer. Connor scored 2 times as many goals as Sadie. Together they scored 9 goals. Could Sadie have

scored 4 goals? Why or why not?
Mathematics
1 answer:
sleet_krkn [62]3 years ago
4 0

Answer:

No.

Step-by-step explanation:

Sadie goals = s

that means

2s+ s = 9 (2s is Connor's goals. Twice Sadie's)

3s=9

s=3

Sadie scored 3 goals

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Solve<br> 2x = -16<br><br> a.-8<br> b.8<br> c.1/8<br> d.-1/8
harina [27]

Answer:

A

Step-by-step explanation:

The correct answer will be A

Have a great day

4 0
2 years ago
Complete parts ​(a) through ​(c) below.
Yuki888 [10]

Answer:

a)t_{crit}= 1.34

b) t_{crit}=-2.539

c) t_{crit}=\pm 2.228

Step-by-step explanation:

Part a

The significance level given is \alpha=0.1 and the degrees of freedom are given by:

df = n-1= 15

Since we are conducting a right tailed test we need to find a critical value on the t distirbution who accumulates 0.1 of the area in the right and we got:

t_{crit}= 1.34

Part b

The significance level given is \alpha=0.01 and the degrees of freedom are given by:

df = n-1= 20-1=19

Since we are conducting a left tailed test we need to find a critical value on the t distirbution who accumulates 0.01 of the area in the left and we got:

t_{crit}=-2.539

Part c

The significance level given is \alpha=0.05 and \alpha/2 =0.025 and the degrees of freedom are given by:

df = n-1= 11-1=10

Since we are conducting a two tailed test we need to find a critical value on the t distirbution who accumulates 0.025 of the area on each tail and we got:

t_{crit}=\pm 2.228

4 0
3 years ago
What are the solutions to x2 + x - 5≤0
Juliette [100K]

I have no idea what that x is doing, so imma take it out.

2+x-5≤0

-3+x≤0

+3     +3

x≤3

---

hope it helps

8 0
3 years ago
What is 0.02% of 40 million pounds?
DanielleElmas [232]
0.02% of 40 million pounds is 8000 (pounds)

5 0
2 years ago
Given f(x) = 3x-4 and g(x)= -2x+7 evaluate. PLEASE HELP.
Roman55 [17]

see the attachments below for the steps :)

The simplified expression is as follows:

d(-3x^2 + 9x - 14)

8 0
3 years ago
Read 2 more answers
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