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3 years ago

85 students went on a field trip. three buses were filled and 25 students traveled in cars. how many students were in each bus?

Mathematics

1 answer:

AlexFokin [52]3 years ago

5 0

Answer:

Step-by-step explanation:

85-25=60

60÷3 since we had three buses =20

each bus there was 20 students plus the ones who went with the car it will be 20+25=45

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: Find the approximate perimeter of the isosceles triangle A OPD.

AleksAgata [21]

Answer:

24.98 units

Step-by-step explanation:

The picture of the question in the attached figure

we have the coordinates

P(1,-6),D(4,3),O(7,-6)

The perimeter of triangle OPD is equal to

$P=OP+PD+OD$

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

step 1

Find the distance OP

we have

O(7,-6),P(1,-6)

substitute in the formula

$d=\sqrt{(-6+6)^{2}+(1-7)^{2}}$

$d=\sqrt{(0)^{2}+(-6)^{2}}$

$d_O_P=6\ units$

step 2

Find the distance PD

we have

P(1,-6),D(4,3)

substitute in the formula

$d=\sqrt{(3+6)^{2}+(4-1)^{2}}$

$d=\sqrt{(9)^{2}+(3)^{2}}$

$d_P_D=\sqrt{90}\ units$

step 3

Find the distance OD

we have

O(7,-6),D(4,3)

substitute in the formula

$d=\sqrt{(3+6)^{2}+(4-7)^{2}}$

$d=\sqrt{(9)^{2}+(-3)^{2}}$

$d_O_D=\sqrt{90}\ units$

step 4

Find the perimeter

$P=6+\sqrt{90}+\sqrt{90}$

$P=6+9.49+9.49=24.98\ units$

4 0

3 years ago

Can some one please help me!!! I really don't understand and plz explain

igor_vitrenko [27]

Length = l
width = 1/3 of length = l/3

perimeter = 2(l + l/3)
Answer is option B

-----------------------------------
2(l+ l/3) = 56
⇒ 8l/3 = 56
⇒ l = 3*56/8
⇒ l = 21 inch
width = 21/3 = 7inch

Area = 21*7 inch² = 147 inch²

5 0

3 years ago

When you run, your average step length is 42 inches. How many steps would you have to take to run 1 mile (5,280 feet)? Round to

LenaWriter [7]

To solve this, take the total distance (5,280) divide by the average step (42).
5,280/42 = 125.714

6 0

4 years ago

Please help need done fast!

gladu [14]

B 3 paper per min hope this helps

8 0

3 years ago

1) 43x + 72 = 502; 2 ) 19y - 200 = 47;

Andreas93 [3]

Answer:

1) $43x + 72 = 502 \\ 43x = 502 - 72 \\ 43x = 430 \\ x = \frac{430}{43} \\ x = 10$

2) $19y - 200 = 47 \\ 19y = 47 + 200 \\ 19y = 247 \\ y = \frac{247}{19} \\ y = 13$

<h2>HOPE IT HELPS YOU ✌️</h2>

7 0

3 years ago