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Gemiola [76]
4 years ago
7

7: Jikayla earns $19 per hour babysitting. Last week, she worked 7 hours on Monday, 6 hours on Tuesday, and 7 hours on Wednesday

. She had Thursday off, and then she worked 5 hours on Friday. How much money did Anna earn in all last week?
Mathematics
1 answer:
____ [38]4 years ago
6 0

Answer:

$475

Step-by-step explanation:

7+6+7+5 = 25

25*19 = 475

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Para hacer 600 m de una obra, 30 obreros han trabajado 12 dias a razon de 10 horas diarias. ¿Cuantos dias necesitaran 36 obreros
Gwar [14]

Respuesta:

25 días

Explicación paso a paso:

Dado :

escenario 1

Área = 600 m

Número de días = 12

Número de trabajadores = 30

Tasa = 6

Escenario 2:

Área = 900 m

Número de días = n

Número de trabajadores = 36

Tasa = 6

Igualar los parámetros en cada escenario:

12 / n = 36/30 * 6/10 * 600/900

12 / n = 6/5 * 3/5 * 2/3

12 / n = 6/5 * 1/5 * 2/1

12 / n = 12/25

12 * 25 = 12n

300 = 12n

n = 300/12

n = 25 días

7 0
3 years ago
A jet is flying 7 miles above the ground. The pilot spots an airport as shown below. What is the distance from the plane to the
Fynjy0 [20]
It's hard to help if you can't provide everything with the question
8 0
3 years ago
What is the volume of the composite figure? Express the
Papessa [141]

Answer:

V=312\pi\ mm^{3}

Step-by-step explanation:

we know that

The volume of the composite figure is equal to the volume of a semi-sphere plus the volume of the cone

so

V=\frac{4}{6}\pi r^{3} +\frac{1}{3} \pi r^{2} h

we have

r=6\ mm

h=14\ mm

substitute

V=\frac{4}{6}\pi (6)^{3} +\frac{1}{3} \pi (6)^{2} (14)

V=144\pi +168\pi

V=312\pi\ mm^{3}

3 0
3 years ago
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What is the answer? I can’t find it
monitta

Answer:

B. 360

Step-by-step explanation:

5 0
3 years ago
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The circumference of a bowling ball is 8pi in. Find the surface area of the bowling ball. Express your answer in terms of pi.
MrRa [10]
Surface area of a sphere (3D solid's name for ball shaped object) is given by

SA = 4 \pi r^{2}

We do not know the radius of the sphere but we can work it out from the circumference 8 \pi

Circumference = 2 \pi r
8 \pi =2 \pi r
r= \frac{8 \pi }{4 \pi }=2

then
SA=4 \pi  (2)^{2} =16 \pi
7 0
3 years ago
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