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Umnica [9.8K]
3 years ago
14

Please help me it’s due in 1 hour

Mathematics
1 answer:
kherson [118]3 years ago
7 0

Answer:

There were 39 children at the party

Step-by-step explanation:

Here, we want to know the number of children at the party

To do this, we have to add the y-values ( frequencies of the age grades)

We have this as;

8 + 8 + 7 +10 + 6 = 39

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Please help me with these two problems
vodka [1.7K]
First pic ; they are complementary angles , so C !!

second pic ; both angles are supplementary angles !! as sum is 180° !!
8 0
3 years ago
Find the optimal solution for the following problem. (Round your answers to 3 decimal places.)
Sphinxa [80]

Answer:

x=2.125

y=0

C=19.125

Step-by-step explanation:

To solve this problem we can use a graphical method, we start first noticing the restrictions x\geq 0 and  y\geq 0, which restricts the solution to be in the positive quadrant. Then we plot the first restriction 8x+10y\leq 17 shown in purple, then we can plot the second one 11x+12y\leq 25 shown in the second plot in green.

The intersection of all three restrictions is plotted in white on the third plot. The intersection points are also marked.

So restrictions intersect on (0,0), (0,1.7) and (2.215,0). Replacing these coordinates on the objective function we get C=0, C=11.9, and C=19.125 respectively. So The function is maximized at (2.215,0) with C=19.125.

3 0
3 years ago
-9 is greater than<br> a. -10<br> b. -7 <br> c. -6 <br> d. -9<br> e. 0
Alex_Xolod [135]

Answer:

-10

Step-by-step explanation:

On the number line -9 appear before -10. Thw futher the number, the smaller it gets

4 0
3 years ago
Which of the following statements is true of a transversal?
kolbaska11 [484]

Answer:

The answer here is the third box(C)

I hope this helps you!

3 0
3 years ago
Tanya drove 3 1/2 hours and used 1/3 tank of gas. For how long could Tanya drive using​ 1/2 ​tank of gas?
creativ13 [48]
<span>
3 1/2  = 7/2

7/2  hours and used 1/3 tank of gas
</span><span>? hours and used 1/2 tank of gas

1/2 * 7/2
------------
    1/3

= 7/4
-------
  1/3

= 7/4 * 3
= 21/4
= 5 1/4 

answer: 5 1/4 hours </span><span>Tanya could drive using​ 1/2 ​tank of gas</span><span>

</span>
4 0
3 years ago
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