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Karo-lina-s [1.5K]
2 years ago
15

A surgery shows that 85 percent of students carry a backpack to school. Is there are 230 students in the school,how many student

s carry a backpack
Mathematics
1 answer:
GenaCL600 [577]2 years ago
4 0
The answer is 78% because of the heat
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An isosceles triangle has base angles that each measure 69o. Which equation can be used to find x, the measure of the third angl
MArishka [77]

Answer:

a. 138 + x = 180

Step-by-step explanation:

Because the angles given are 69+69

which equal 138

and x being the missing angle

finally the total of all angles in a triangle = 180

7 0
3 years ago
Find the value of x. Round to the nearest tenth. Please help!
Serhud [2]

Answer:

17.138°

Step-by-step explanation:

180°=90°-35°-Unknown sum of angles in triangle

180°-125°=Unknown

unknown =55°

sin55/x=sin35/12

sin55°\x=0.047798036°

x=17.138°

3 0
2 years ago
Read 2 more answers
with Judy jogging north and Jackie jogging west (on straight roads). When Jackie is 1 mile farther fro m the intersection than J
dolphi86 [110]
Judy's distance from the intersection: d

<span>When Jackie is 1 mile farther from the intersection than Judy:
</span>Jakie's distance from the intersection: d+1

T<span>he distance between them is 2 miles more than Judy’s distance from the intersection: d+2

</span>How far is Jackie from the intersection?
d+1=?

Using the Pythagoras Theorem:
c^2=a^2+b^2; a=d, b=d+1, c=d+2
(d+2)^2=(d)^2+(d+1)^2
(d)^2+2(d)(2)+(2)^2=d^2+(d)^2+2(d)(1)+(1)^2
d^2+4d+4=d^2+d^2+2d+1
d^2+4d+4=2d^2+2d+1
d^2+4d+4-d^2-4d-4=2d^2+2d+1-d^2-4d-4
0=d^2-2d-3
d^2-2d-3=0
Factoring:
(d-3)(d+1)=0

d+1=0→d+1-1=0-1→d=-1<0 (negative): No possible. The distance can't be negative.

d-3=0→d-3+3=0+3→d=3 miles>0 (positive): Ok

Jakie's distance from the intersection=d+1=3+1→d+1=4 miles

Answer: <span>Jackie is 4 miles far from the intersection
</span>
Please, see the attached file.
Thanks


6 0
3 years ago
The ratio of boys to girls in Mr. Bakers Social Studies classis 3 to 5. There are 32 total students.
velikii [3]
There is 8 more girls in the class than boys. (I’m pretty sure this is correct because I had this same question)
7 0
3 years ago
What is the length of the hypotenuse
Liula [17]

Answer:

20

Step-by-step explanation:

To find Hypotenuse: Pythagorean Theroem

a^2+ b^2= c^2

The legs are A and B

The side that is directly across from the Right angle is C

12^2 + 16^2 =C^2

144+256=400

400 = c^2

Square root on both sides to get rid of c^2

The square root of 400 is 20

c=20

8 0
3 years ago
Read 2 more answers
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