MATHEMATICS MIDDLE SCHOOL

Which statements are true?Select each correct answer.


All squares are parallelograms.


No trapezoids are parallelograms.


All rectangles are squares.


All rectangles are quadrilaterals.

Answers

Answer 1
Answer:

Answer:

All squares are parallelograms, and all rectangles are quadrilaterals are both true

Step-by-step explanation:
Answer 2
Answer:

Answer:

The answer is a and d

a) All squares are parallelograms

d) All rectangles are quadrilaterals

hope i helped!

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Sum of 2 acute angles to make straight line

Answers

Well, a right angle is 90. Two 89 degree angles would make 178, but we need to reach 180. I don't know if thats possible with two acute angles. Two right angles would make 180, but not acute angles. Sorry I couldn't answer your question, but ask your teacher for help. 

Claude spends $315 to rent a car. The car he rents costs $45 per day. He has a coupon for 2 free days. Complete the equation below to find the number of days Claude rents the car. Use d to represent the number of days.

Answers

315÷45=7,
7+2=9
315 divided by 45 equals 7, then you have two day coupon, so 7+2 =9.

Does the following situation describe opposite quantities combining to make zero? Explain.Tanya makes 2 cups of cleaning solution and puts it into a spray bottle. She uses all the solution to clean her house. *Yes, because the amount of cleaning solution in the bottle after Tanya uses the solution is not the same as before Tanya makes the solution.
Yes, because the amount of cleaning solution in the bottle after Tanya uses the solution is the same as before Tanya makes the solution.
No, because the amount of cleaning solution in the bottle after Tanya uses the solution is more than before Tanya makes the solution.
No, because the amount of cleaning solution in the bottle after Tanya uses the solution is less than before Tanya makes the solution.

Answers

Answer:

Yes, because the amount of cleaning solution in the bottle after Tanya uses the solution is the same as before Tanya makes the solution.

Step-by-step explanation:

Tanya makes 2 cups then uses 2 cups.

2-2=0

Simplify the following fraction (9/16/1/4)-1/5

Answers

Answer: (41)/(20)

Step-by-step explanation:

The first step is to make the division of the fractions (9)/(16) and

(1)/(4). To do this, you can flip the fraction (1)/(4) over and multiply the numerators and the denominators of the fractions. Then:

(((9)/(16))/((1)/(4)))-(1)/(5)=((9)/(16)*4)-(1)/(5)=(36)/(16)-(1)/(5)

Reduce the fraction (36)/(16):

 =(9)/(4)-(1)/(5)

Now you can make the subtraction:  in this case the Least Common Denominator (LCD) will be the multiplication of the denominators.   Divide each denominator by the LCD and multiply this quotient by the corresponding numerator and then subtract the products. Therefore you get:

=(45-4)/(20)=(41)/(20)

Brian invests £1300 into his bank account. He receives 10% per year simple interest.

How much will Brian have after 3 years?

Give your answer to the nearest penny where appropriate.

Answers

Answer:

£1690

Step-by-step explanation:

Amount invested by Brian = £1300

rate of simple interest = 10%

To find money Brian will have after three years

He will have amount invested in bank and interest earned in three years from that amount.

Simple interest for any principal amount p is given by

SI = P*R * T /100

where SI  is simple interest earned

T is time period for which simple interest is earned

R is rate of interest

Substituting value of P , R and T we have

SI = 1300*10* 3 /100 = 390

Therefor interest earned will be £390

Total money with Brian after three years = principal amount invested + interest earned in 3 years

= £1300 + £390 = £1690

in a class of 28 sixth graders all but one of the students are 12 years old. witch two data measurements are the same for the students ages/ what are those measurements? please help

Answers

out of 28 kids there is one that isnt 12
so 27 kids are 12 years old
1 isnt
concluding that, that 6th grade might be 11
so 1 out of 28
1:28
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