**Twelve less than thrice a number**

**Which of the following translates the phrase above into a mathematical expression?**

3x - 12

12 - 3x

12x - 2

3x + 12

*Correct Answer : A*

We need to form a mathematical expression from the given word problem.

Let the unknown number be x.

Thrice a number is three times = 3x

Twelve less than thrice a number = 3x-12

Thus, the mathematical expression from the word problem is 3x-12

## TEAS 7 Exam Quiz Bank

## HESI A2 Exam Quiz Bank

### Find More Questions ðŸ“š

**$69**/ month

**Teas 7 Questions:** We got the latest updated TEAS 7 questions

**100% Money Refund:** 100% money back guarantee if you take our full
assessment pass with 80% and fail the actual exam.

**Live Tutoring:** Fully customized live tutoring lessons.

**Guaranteed A Grade:** All students who use our services pass with 90%
guarantee.

Related Questions

### Correct Answer is C

#### Explanation

A whole pizza represents 1, and two friends eat Â¼ of the pizza. The remaining fraction of pizza is:

Remaining amount =*Â *

Thus, 3/4 of pizza is left for three friends to share equally.

Now, the other three friends will each get

*Â *

So, the other three friends will each get 1/4 of the pizza.

### Correct Answer is B

#### Explanation

We need to find the radius of the circle from the given value of area. Then, the radius of the circle will be used to find the circumference of the circle.

The first step is to find the radius, r of the circle as

Thus, the circumference of a circle whose area is \(9\pi\ in\ ^2\)is 6* *in.

### Correct Answer is A

#### Explanation

The truck carries a whole cargo which equals 1. If we let the weight of the cargo to be p, then we set up a proportion equation with weight as numerator and fraction of cargo as denominator.

Solve for value of p by cross products

Multiply both sides by 3/2 a reciprocal of 2/3

The truck carries a cargo weighing 795 lb.

### Correct Answer is C

#### Explanation

to find the average time the athlete runs in 1 mile; we find total distance and total time the athlete takes in running.

Total distance run by athlete=7+3=10 miles

Total time=45+15 =60 minutes

The athlete runs 10 miles in 60 minutes. For the athlete to cover 1 mile, he will run for a time less than 60 minutes. Thus, in 1 mile, the athlete takes:

So, in 6 minutes, the athlete covers 1 mile.

### Correct Answer is D

#### Explanation

Here we need to find the actual values of the additions and see the trend the student will use to estimate the given problem. The exact sum is as follows

35+192227

258+350*=*608

947+1032*=*1979

From the above calculations, it is evident that the student rounds up or down the ones place values. So, in the problem we need to approximate 694+7618.

694+7618=8312

We can approximate 8312 based on the provided choices is 8310.

### Correct Answer is D

#### Explanation

Before finding the area of the pizza, we need to find the radius of the pizza.

Find radius of the pizza in terms of diameter

Next, find area of the pizza using the radius of 6 inches

Substituting r=6 in the equation of the area of a circle

Thus, the pizza has an area of 36* Ï€*Â in2.

### Correct Answer is C

#### Explanation

We are asked to find mL equivalent in 1.5 teaspoons. To carry out the operations, we utilize dimensional analysis to solve this problem as follows.

Converting between teaspoon and mL uses the following conversions:

Or

Since we want to remain with mL, use the second option and proceed as follows.

Thus, 1.5 teaspoons is equal to 7.395 mL

### Correct Answer is A

#### Explanation

The selling price of the sweater is marked price less the mark off value.

Mark off value=mark off rate*original price

Mark of value=30% of $95

Mark of value=0.30*$95=$28.50

Now, find the selling price of the sweater

Selling price= marked price-mark off value

Thus, the sweater will be sold for 66.50 after applying a mark off of 30%. The selling price is about $67.

### Correct Answer is D

#### Explanation

We use 1 L =1000 mL to convert between the two units. The conversion options of interconversions are:

And

We want millimeters, use the second option to change L to mL as:

Therefore, 2.5 L is equivalent to 2500 mL.

### Correct Answer is A

#### Explanation

In the given problem, we use the calculator to evaluate the product 1.9 * 0.75 = 1.425

__our TEAS community__This question was extracted from the actual TEAS Exam. Ace your TEAS exam with the actual TEAS 7 questions, Start your journey with us today

Visit Naxlex, the Most Trusted TEAS TEST Platform With Guaranteed Pass of 90%.

Money back guarantee if you use our service and fail the actual exam. Option of personalised live tutor on your area of weakness.