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rewona [7]
3 years ago
9

Sarah has $400 in a savings account at the beginning of the summer. She wants to have more than $150 left in her account by the

end of the summer. She withdraws $25 per week. How many weeks can she withdraw money from her account and still make her goal? Write an inequality to express the situation.
Mathematics
2 answers:
sergiy2304 [10]3 years ago
7 0

Answer:

10 weeks

Step-by-step explanation:

400-150=250/25=10

Sever21 [200]3 years ago
4 0
10 weeks 150+50+100+100=400
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What number divided by -4 equals -3?
worty [1.4K]
12 divided by -4 equals-3 .
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3 years ago
If y varies inversely with the square of x, and y=6 when x=4, find y when x=0.1
sergejj [24]

Answer:

9600

Step-by-step explanation:

y varies inversely with the square of x

y=k/(x^2)

for some non-zero constant k

y=6 when x=4

6=k/(4^2)

k=96

y=96/(x^2)

x=0.1

y=96/(0.1^2)

y=9600

8 0
2 years ago
Imagina que vas a un partido de béisbol con tus amigos, y tienen hambre. El costo de dos botellas de agua y 3 bolsas de palomita
Rudik [331]

Answer:

El costo de una botella de agua es de $10

El costo de una bolsa de palomitas de maíz es de $15.

Step-by-step explanation:

Los parámetros dados son;

El costo de dos botellas de agua y 3 bolsas de palomitas de maíz = $65

El costo de 4 botellas de agua y 1 bolsa de palomitas de maíz = $55

Donde x = El costo de una botella de agua ey = El costo de una bolsa de palomitas de maíz, tenemos;

2 × x + 3 × y = 65 ... (1)

4 × x + y = 55 ... (2)

Haciendo y el tema de ambas ecuaciones, tenemos;

Para la ecuación (1), tenemos;

2 · x + 3 · y = 65

3 · y = 65 - 2 · x

y = 65/3 - 2/3 · x

Para la ecuación (2), tenemos;

4 · x + y = 55

y = 55 - 4 · x

Igualando ambos valores de y para encontrar la solución común, tenemos;

65/3 - 2/3 · x = 55 - 4 · x

4 · x - 2/3 · x = 55 - 65/3

10 · x / 3 = 100/3

∴ 10 · x = 100

x = 100/10 = 10

x = 10

El costo de una botella de agua = x = $10

y = 55 - 4 · x = 55 - 4 × 10 = 55 - 40 = 15

y = 15

El costo de una bolsa de palomitas de maíz = y = $15

4 0
3 years ago
Jerome hiked three fourths of a mile in two thirds of an hour. How many miles can Jerome hike in one hour?
KatRina [158]

Answer: 1.125 miles

Step-by-step explanation:

2/3 hour___3/4 miles

1 hour___X= 1.125 miles

(1*3/4)/(2/3) = 1.125

7 0
3 years ago
Help with this problem
erastova [34]

60% is your answer. Good luck!!

7 0
3 years ago
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