Answer:

9/20

Explanation:

According to this question, Lucy and JoJo need to make 140 cupcakes for the school dance. Lucy made 35 of the cupcakes while JoJo made 42 cupcakes. This means that in total, (42 + 35) cupcakes has been made by both Lucy and JoJo

That is, 77 cupcakes out of 140 has been made. This is 77/140 i.e. 11/20

Since 77/140 cupcakes has been made, Lucy and JoJo still need to make;

140 - 77 = 63 cupcakes to meet up their target for the school dance.

This means that the fraction left is 63/140

63/140 in its lowest term is 9/20

Hence, 9/20 of the cupcakes still need to be made by Lucy and JoJo.

**Explanation: 140 - 35 = 105 - 42 = 63**

**yare yare daze**

I use tusk act 4 main

Give reasons.

a. A stretched catapult has potential energy.

b A stone on ground has zero energy.

C. Rolling a drum is work against friction.

d. Lifting a stone is work against gravity.

e. Work and energy both have same unit.

a. A stretched catapult can do work when released so it must have potential energy.

b. A stone on the ground will not move on its own ever again so it has zero energy.

c. In order to roll an object there must be a friction force between the object and the ground (otherwise it will slide)

d. To lift a stone you must overcome the weight which is the force due to gravity.

e. Work and energy are both measured in Joules.

b. A stone on the ground will not move on its own ever again so it has zero energy.

c. In order to roll an object there must be a friction force between the object and the ground (otherwise it will slide)

d. To lift a stone you must overcome the weight which is the force due to gravity.

e. Work and energy are both measured in Joules.

Yodelin has fifty quarters and dimes. Their total value is $9.80. Which of these systems of equations can be used to find the number of quarters (q) and

dimes (d) Yodelin has?

**Answer:**

**q + d = 50
**

**
25q + 10d = 980
**

**Explanation:**

The equation that can be employed to determine the number of quarters(q), as well as, dimes(d) that Yodelin has would be:

q + d = 50...(1)

25q + 10d = 980...(2)

Multiplying (1) by 25

25q + 25d = 1250 ...(3)

25q + 10d = 980...(4)

subtracting (4) from (3)

15d = 270

d = 18

q = 50 - 18

= 32

The **system** of the **equations** could be

**q + d = 50**

**25q + 10d = 980**

Since Yodelin has **fifty quarters** and **dimes**. Their total value is $9.80.

So here the equations be

q + d = 50...(1)

25q + 10d = 980...(2)

Now we have to **Multiplying** (1) by 25

So,

25q + 25d = 1250 ...(3)

25q + 10d = 980...(4)

Now

subtracting (4) from (3)

15d = 270

d = 18

So,

q = 50 - 18

= 32

Learn more about **equation** here; https://brainly.com/question/18648019

If an object is moving with constant acceleration, its velocity must

a

change by varying amounts depending on its speed.

b

always decrease.

c

be constant also.

d

change by the same amount each second.

change by the same amount each second. i think

Will was riding his bike when a dog ran out in front of him. He slammed on his brakes. During this quick stop, some of the mechanical energy (his motion) was changed into

A) heat energy.

B) light energy.

C) kinetic energy.

D) gravitational energy.

**Answer:**

A

**Explanation:**

big brain

During this quick stop, some of the mechanical energy (his motion) was changed into** heat energy. **

**Energy** is the ability to do work. There are different types of **energy** such as **Heat energy**, light energy, kinetic energy, and** gravitational energy.**

**Heat** is the energy that moves from one body to another when temperatures are different. Heat passes from the** hotter **to the** colder **body when two bodies with differing **temperatures** are brought together.

The** joule** is a unit of energy that serves as the SI unit for heat (J). The calorie (cal), which is defined as "the **amount** of heat necessary to raise the temperature of one gram of water from **14.5 degrees** Celsius to 15.5 degrees Celsius," is another common unit of **heat** measurement.

Therefore, During this quick stop, some of the mechanical energy (his motion) was changed into** heat energy. **

To learn more about **heat energy**, refer to the link:

https://brainly.com/question/20038450

#SPJ6

#7 If the Moon’s mass was suddenly tripled, what would occur to the gravitational force between the Earth and the Moon?

(A) Gravitational force would increase by a factor of 3.

(B) Gravitational force would decrease by a factor of 3.

(C) Gravitational force would increase by a factor of 9.

(D) Gravitational force would decrease by a factor of 9.

**Answer:**

well it would be (A) Gravitational force would increase by a factor of 3.

**Explanation:**

**because the moon is the only thing that gained mass not the Earth**

protons are present in sodium atom.

a 11

b 10

C 12

d 9

11

**Explanation:**

There are 11 protons in a sodium atom

Read the passage:Ice cream as we know it can be traced back many centuries ago. Legend has it that it began in 9th century in Arab cities, such as Baghdad, Damascus, and Cairo. Near the end of the 13th century, Marco Polo returned to Italy after his travels through China with news of a frozen creamed dessert. In Europe, ice cream could only be found in Italy. Then, in 1533, Italian noblewoman Catherine de'Medici of Italy married Henry II of France. As Queen, Catherine introduced ice cream to France. Soon, the popularity of the dessert spread across all of Europe.Select the evidence from the text that supports the meaning of the word traced: to find the origin of something. In Europe, ice cream could only be found in Italy. Legend has it that it began in 9th century in Arab cities, such as Baghdad, Damascus, and Cairo. Near the end of the 13th century, Marco Polo returned to Italy after his travels through China with news of a frozen creamed dessert. . . . the popularity of the dessert spread across all of Europe.PLEASE HELP WILL GIVE BRAINLYEST
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