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3 years ago

Mr. Marvi's Class is fund-raising for a field trip that costs $1254. The school is

Mathematics

2 answers:

RUDIKE [14]3 years ago

5 0

Answer:

idek but I'll try solving it I'm hyu when I'm done

Oksana_A [137]3 years ago

3 0

Answer:

1.50x + 375 = 1254

x = 586

So the class has 28 students and ideally they should all sell a certain amount equally.

so, 586/28 = 20.93 = 21

So in average every student would have to sell 21 bags of cookies

extra:

Just do a new equation

1.5x - 0.20x = 879$

1.3x = 879

x = 676.15 = 676

So they have to sell 676 bags of cookies to cover for the cost of the cookies and for the trip.

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A cell phone company sold 216 phones in 24 days? At the same rate, how many phones will be sold in the next 144 days?

irinina [24]

216/24=9
9(144)=1296
They will sell 1,296 phones in the next 144 days.

3 0

2 years ago

What is this can anyone help me

Solnce55 [7]

g(x) = (x - 3)² - 4

given f(x) is shifted a units horizontally to the right → f(x) → f(x - a)

If f(x) is shifted by a units horizontally left → f(x) → f(x + a)

If f(x) is shifted by b units vertically up → f(x) → f(x) + b

If f(x) is shifted by b units vertically down → f(x) → f(x) - b

The vertex (0, 0) of f(x) has shifted to (3, -4)

that is 3 units horizontally to the right and 4 units vertically down

hence g(x) = (x - 3)² - 4

4 0

3 years ago

The low temperatures for a week in Edmonton, Alberta are -15 C, -12 C, -10 C, -12 C, -18 C, -20 C, and -25 C. What is the mean l

MakcuM [25]

-15.7

Step-by-step explanation:

-15

-12

-10

-12

-18

-20

-25

-------

-110

7 divide by -110=-15.7

7 0

3 years ago

In ΔABC, m∠CAB = 30°, M is the midpoint of

Thepotemich [5.8K]

Check the attached file for the answer.

3 0

3 years ago

A student stands 20 m away from the foot

Ostrovityanka [42]

Answer:

Height of tree is $\approx$ 15 m.

Step-by-step explanation:

Given that student is 20 m away from the foot of tree.

and table is 1.5 m above the ground.

The angle of elevation is: 34°28'

Please refer to the attached image. The given situation can be mapped to a right angled triangle as shown in the image.

AB = CP = 20 m

CA = PB = 1.5 m

$\angle C$ = 34°28' = 34.46°

To find TB = ?

we can use trigonometric function tangent to find TP in right angled $\triangle TPC$

$tan \theta = \dfrac{Perpendicular}{Base}\\tan C= \dfrac{PT}{PC}\\\Rightarrow tan 34.46^\circ = \dfrac{PT}{20}\\\Rightarrow PT = 20 \times 0.686 \\\Rightarrow PT = 13.72\ m$

Now, adding PB to TP will give us the height of tree, TB

Now, height of tree TB = TP + PB

TB = 13.72 + 1.5 = 15.22 $\approx$ 15 m

7 0

3 years ago