MATHEMATICS MIDDLE SCHOOL

Erica and tim each use their cell phones to send texts and make phone calls. Erica sent 18 texts and made 6 calls today. Tim sent 12 text and made 4 calls today. Which of the following best compares Erica’s and Tim’s text and calls?

Answers

Answer 1

Answer:

Answer:

Erica has 6 more text then Tim and 2 more calls then Tim.

Step-by-step explanation:

What i did was 18-12 because those are both text and that was 6 so Erica has 6 more

Then i did 6-4 =2 and those where both of the calls so Erica has 2 more calls then Tim.

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The Expression 4x^2-p(x)+7 leaves a remainder of -2 when divided by (x-3) find the value of pA) 11B)-2C)15D)40

a fishermen catches an average of 6 fish every 2 hours at this rate how many fish should he catch in 21 hours

Answers

Answer:

Step-by-step explanation:

Write a ratio as a fraction in simplest form 9ft to 15 yd

Answers

3/5 because you find what goes into each and simplify. 9/15 each divided by 3. 9/3=3 15/3=5 so 3/5 is your answer.

In the diagram, find the measure of Angle y and Angle x.

PLEASE HELP ME!!

Answers

Answer:

Part 1) The measure of angle x is 24°

Part 2) The measure of angle y is 66°

Step-by-step explanation:

step 1

Find the measure of angle m∠IKL

we know that

m∠JKI+m∠IKL=180° ----> supplementary angles (form a linear pair)

we have

m∠JKI=48°

substitute

48°+m∠IKL=180°

m∠IKL=180°-48°=132°

step 2

Find the measure of angle x

we know that

The triangle IKL is an isosceles triangle

m∠KIL=m∠KLI=x

Remember that

The sum of the interior angles of a triangle must be equal to 180 degrees

m∠IKL+2x=180°

132°+2x=180°

2x=180°-132°

x=24°

step 3

In the right triangle JIL

Angles x and y are complementary

x+y=90°

24°+y=90°

y=90°-24°

y=66°

14. teacher needs 70 lengths of string cut to 40 cm each. If balls of string are 10m longhow many balls will be needed.

Answers

70×40=2800cm which is the total amount of cm that the teacher needs

10m = 1000cm

$(2800)/(1000)$ = 2.8

there will be 3 balls of string

70×40=2800 cm, which would be the total amount of cm that the teacher needs for the balls.

10m = 1000cm

= 2.8

There will be 3 balls of string.

Identify each function as linear or non-linear

need help with both

Answers

Non linear and linear

The first is linear and the second is nonlinear. It is nonlinear because it has an exponent.

Invested 28, 000 in two accounts, one yielding 8% and the other at 9%. If i receive a total of 2,440 in intrest at the end of the year, how much did i invested in each account

Answers

Answer:

8,000 in the 8% account

20,000 in the 9% account.

Step-by-step explanation:

x + y = 28000

0.08 x + 0.09 y = 2440

0.08 x + 0.09 (28000 − x) = 2440

0.08 x + 2520 − 0.09 x = 2440

80 = 0.01 x

x = 8000

y = 20000

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X + 7/8 = 4 A.x = 4 7/8 B.x = 3 1/8 C.x = - 3 1/8 D.x = - 4 7/8

A pillow that usually costs $18 is marked down 25%. Which expressions can be used to find the new price of the pillow?

What is 30% of x is 60