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Nadusha1986 [10]
3 years ago
6

The two-way table shows the number of students in class who play basketball and/or football,

Mathematics
2 answers:
allochka39001 [22]3 years ago
5 0

total that play football = 40


 30 of them play basket ball


the missing number is 40 - 30 = 10

lys-0071 [83]3 years ago
5 0
The second choice is your answer.

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Can someone help me with questions 25 through 28
AleksAgata [21]
25. 3y+15

26. 15k+20

27. 21n+7p

28. 60w+20x

Also, you got number 19, number 21, and number 24 wrong.

D+D+D+D+D = 5D, not D⁵

S+S+S = 3S, not S³

N+N+N+N = 4N, not N⁴

Remember, repeated addition, (n+n+n) is 3n. Repeated multiplication, (n•n•n) is n³.

Hope this helps.
3 0
3 years ago
-0.4(0.5z + 4) = 3.2<br> What is the answer for this
netineya [11]

Answer:

z = - 24

Step-by-step explanation:

Given

- 0.4(0.5z + 4) = 3.2 ( divide both sides by the multiplier - 0.4 )

0.5z + 4 = - 8 ( subtract 4 from both sides )

0.5z = - 12 ( divide both sides by 0.5 )

z = - 24

6 0
3 years ago
Read 2 more answers
50% of what number is 31
Ivenika [448]

To find 50% or half, of 31, you can just add 31 + 31.

Or, 31 x 2.

Or even the longer way, we know 3 + 3 = 6. So we can just add 0's: 30 + 30 = 60. That leaves us with the 1's. 1 + 1 = 2.

Take our 60 from earlier, and add 2. 60 + 2 = 62.

Check your answer. 62/2 = 31.

Your answer is 62

6 0
3 years ago
Read 2 more answers
Reason abstractly.
sdas [7]

Answer:

C. <em>X</em> is not blue.

Step-by-step explanation:

Hi there!

We're given that if <em>X</em> is blue, then <em>Y</em> is gold, but <em>Y</em> is not gold.

Therefore, there is no way that <em>X</em> is blue, because if it was, then <em>Y</em> <em>would</em> be gold. But it's not, so <em>X</em> is not blue.

I hope this helps!

6 0
3 years ago
a population of bobcats increase by 5% per year if the population is currently 40 in how many years will the population reach 80
yKpoI14uk [10]

\qquad \textit{Amount for Exponential Growth} \\\\ A=P(1 + r)^t\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & 80\\ P=\textit{initial amount}\dotfill &40\\ r=rate\to 5\%\to \frac{5}{100}\dotfill &0.05\\ t=years \end{cases} \\\\\\ 80=40(1 + 0.05)^{t}\implies \cfrac{80}{40}=1.05^t\implies 2=1.05^t\implies \log(2)=\log(1.05^t) \\\\\\ \log(2)=t\log(1.05)\implies \cfrac{\log(2)}{\log(1.05)}=t\implies 14.2\approx t

4 0
2 years ago
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