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Margarita [4]
3 years ago
9

Im Not completely sure what this is asking, but can someone please help answer this

Mathematics
1 answer:
solmaris [256]3 years ago
7 0

Answer:

the answer is 60

Step-by-step explanation:

because 2(30)=60

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What is the percent of change from 800 to 40?​
marusya05 [52]

Answer:

95%

Step-by-step explanation:

%Change from 800 to 40 = %Decrease

%Decrease = Old Value - New Value/Old Value × 100%

%Decrease = 800-40/800 × 100%

%Decrease = 760/800 × 100%

% Decrease = 95%(Answer)

8 0
3 years ago
PRECAL <br><br>Find the compliment of 0.25<br><br>Find the supplement of 7π/8
balandron [24]
The unit of measurement is not specified, so for the sake of this problem, we'll assume it's radians (If you need it in degrees, I'll be happy to edit).

Find the compliment of 0.25:

Complementary angles add up to 90 degrees. In radians, this would be π/2. If you're unsure how I got this, check degrees to radian conversions.

The compliment of 0.25 would be \dfrac{\pi}{2} - \dfrac{1}{4} (1/4=0.25)

\dfrac{\pi}{2} - \dfrac{1}{4}

= \dfrac{\pi}{2} - \dfrac{1}{4} = \dfrac{2\pi-1}{4}

(This is the simplified form in case you're homework needs it in this form)

That's the compliment. In decimal (rounded to the nearest hundredth), this would be 1.32 radians.

Find the supplement of 7π/8:

Supplementary angles add up to 180 degrees. In radians, this would be π.

The supplement would be the following:

\pi- \dfrac{7\pi}{8}

=\dfrac{8\pi}{8}-\dfrac{7\pi}{8}=\dfrac{\pi}{8}

Thus, the supplement is π/8 radians. If any of this struck you as confusing, comment and I'd be happy to clarify.
8 0
4 years ago
The measure of angle 4 is 120°, and the measure of angle 2 is 35°.
Luba_88 [7]

i believe it's 95 degrees

5 0
3 years ago
Read 2 more answers
Find the sum of each. 3.8+(−2.9)= <br><br> −38+(−57)= <br><br> −113+34=
Sindrei [870]

Answer:

➢ 0.9

➢ -95

➢ -79

BlackSparkles...

#CarryOnLearning

5 0
3 years ago
In a survey, a group of students were asked to name their favorite elective class. There were 15 students who chose “other." How
bija089 [108]

Answer:

150 total students

Step-by-step explanation:

10%=15 students

so 15×9=135 students

then add the first 15

15+135=150 students in total participated in the survey

8 0
3 years ago
Read 2 more answers
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