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Lorico [155]
2 years ago
9

Donna finished 67% of her homework. What fraction of her homework is completed?

Mathematics
1 answer:
polet [3.4K]2 years ago
7 0
Her homework is 67/100 done
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Find the value of x. Round to the nearest degree. ​
marta [7]

Answer:

  • <u>x = 39°</u>

Step-by-step explanation:

The opposing side and the hypotenuse for the angle are given.

Remember, when the opposing side and the hypotenuse are given, take the cos ratio.

  • cosx = 7/9
  • x = cos⁻¹ (7/9)
  • x = 38.9424413°
  • <u>x = 39°</u>
6 0
1 year ago
Look at the following numbers:
jok3333 [9.3K]

Answer:

The correct answer is: -7, 7

Step-by-step explanation:

Given numbers are:

-7, 0, 7, 14

We have to check all pairs of numbers with respect to sum to check that which pair of numbers sums up to zero. So first of all, we will take -7 and will find its sum with other numbers.

So,

-7+0 = -7\\-7+7=0\\-7+14 = 7

We can see that the sum of -7 and 7 is zero.

Hence,

The correct answer is: -7, 7

8 0
2 years ago
Read 2 more answers
a car travels along a straight road heading east for one hour, then traveling for 30 minutes on another road that leads northeas
My name is Ann [436]

Answer:

55.96 miles

Step-by-step explanation:

Distance = Speed X time

Car first moved east for 1 hr , distance = 40 x 1 = 40 miles

Car then moved north-east for 30 min, distance = 40 x 0.5 = 20 miles

From trigonometry,

sin 45 = \frac{y}{20} ; y = 20 sin 45 ; y= 14.14 miles

cos 45 = \frac{x}{20} ; x = 20 cos 45 ; x = 14.14 miles

using Pythagoras theorem;

z^{2} = y^{2} + (40+x)^{2}

    = 14.14^{2} + (40+14.14)^{2}

     = 3131.08

z^{2} = \sqrt{3131.08}

z = 55.96 miles

6 0
3 years ago
Pls help I struggling a lot pls pls pls I need pro math expert
Soloha48 [4]

Answer:

Option: h\leq 16

Step-by-step explanation:

<u>Looking for key words in the problem:</u>

"At Most" represents important key words, meaning the maximum amount of hotdogs that are at the barbecue.

<u>Inequality:</u>

h\leq 16

h \leq 16 represents the maximum amount of hotdogs that has to be at the barbecue, also represents less than 16 can be cooked.

3 0
2 years ago
I need some help, fast please!!
Sergio [31]

Answer:

6

Step-by-step explanation:

Integers are whole numbers that do not have decimals.

4.18 ÷ 0.68 = 6.14

Remember, round down with 0-4, round up with 5-9.

6.14 can be rounded down to 6.

3 0
3 years ago
Read 2 more answers
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