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3 years ago

15

To make 1c1/2 dozen muffins, a recipe uses 3 1/2 cups of flour. How many cups of flour are needed for every dozen muffins made?

Enter your answer in the box as a mixed number in simplest form.

1 answer:

vazorg [7]3 years ago

7 0

I think it might be 3/7

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The diameter of the moon is about 3500 km. Approximate the surface area of the moon using the formula for the surface area of a

horrorfan [7]

Answer:

$3.8465 *10^7$ square kilometers

Step-by-step explanation:

The surface area of a sphere can be found using the formula $SA=4\pi r^2$ . Since the diameter is 3500 km then its radius is half of this. 3500 divided in two is 1,750 units. Substitute r=1,750.

$SA=4\pi r^2\\SA = 4 \pi (1750)^2\\SA = 4 \pi *3,062,500\\SA =38,465,000$

The surface area of the moon is about 38,465,000 square kilometers. Write this is scientific notation using base. $3.8465 *10^7$

5 0

3 years ago

WILL GIVE BRAINLIEST ANSWER!!!!!!HELPPPP

Nimfa-mama [501]

Answer: 3 units right 6 units up

Step-by-step explanation:

coordinate B was first (3,3)

then became (6,9)

X axis is 3 which is left and right

Y axis is also 3 which is up and down

right = positive left= negative up=positive down=negative

the math

you have to add 3 to the right to get positive 6

so the coordinates so far are (6,?)

then you need to add 6 on the y axis for the coordinates to be (6,9)

hope this helped

5 0

3 years ago

the perimeter of the circular base of a cone is 132 cm and its vertical height is 28 cm find the curved surface area total surfa

Elden [556K]

Answer:

i. Curved surface area = 2310 $cm^{2}$

ii. Total surface area = 3696 $cm^{2}$

iii. volume = 12936 $cm^{3}$

Step-by-step explanation:

Perimeter of the circular base = circumference of the circle = 132 cm

circumference of a circle = 2 $\pi$ r

132 = 2 $\pi$ r

r = $\frac{132}{2\pi }$

= $\frac{66}{\pi }$

r = 66 x $\frac{7}{22}$

= 3 x 7

= 21

radius = 21 cm

vertical height, h = 28 cm

Thus applying the Pythagoras theorem,

$l^{2}$ = $h^{2}$ + $r^{2}$

= $28^{2}$ + $21^{2}$

= 784 + 441

= 1225

l = $\sqrt{1225}$

l = 35 cm

The slant height is 35 cm.

i. Curved surface area = $\pi$ rl

= $\frac{22}{7}$ x 21 x 35

= 22 x 3 x 35

= 2310

curved surface area of the cone is 2310 $cm^{2}$ .

ii. Total surface area = $\pi r^{2}$ + $\pi$ rl

= $\pi$ r(r + l)

= $\frac{22}{7}$ x 21 (21 + 35)

= 22 x 3 x 56

= 3696

The total surface area of the cone is 3696 $cm^{2}$ .

iii. volume of a cone = $\frac{1}{3}$ $\pi r^{2}$ h

= $\frac{1}{3}$ x $\frac{22}{7}$ x $21^{2}$ x 28

= 12936

The volume of the cone is 12936 $cm^{3}$

5 0

3 years ago

Choose the correct description of the graph of the compound inequality x − 3 < −11 or x + 5 greater than or equal to 14.

adoni [48]

X - 3 < -11
x < -11 + 3
x < - 8

x + 5 > = 14
x > = 14 - 5
x > = 9

open circle on -8, shading to the left.....closed circle on 9, shading to the right

7 0

3 years ago

LeBron goes to the store with six dollars and buys four packs of gum. James goes to the store with five dollars and buys two pac

lilavasa [31]

G = the cost of one pack of gum
LeBron : 6 - 4g
James : 5 - 2g

what they both have after buying gum..
6 - 4g + 5 - 2g = 11 - 6g

7 0

3 years ago

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