help please..... 11 pointsssss

Multiply both sides by 2.4

5.7+x=-15.6

next subtract 5.7

x=-21.3

I'm pretty sure I did that right

A rectangular cardboard has dimensions as shown. The length of the cardboard can be found by dividing its area by its width. What is the length of the cardboard in inches? I appreciate all help! :)

Help me with this it’s really important

Solve for p 1/2p - 1/4p = 4

Explain how you can use the algebraic representation to determine the new coordinates of a point.

Simplify the expression below. 2−432

Try It for Example 1: In the next several games, the pitcher threw a total of 384 pitches and used a fastball 240 times. What decimal should Juanita use to update her report?

Simplify the expression. 12(a−4) The simplified expression is

can someone help me with this please?

Which number is not in scientific notation? Question 15 options: 1) 0.2 ⋅ 103 2) 3 ⋅ 1028 3) 1.03 ⋅ 10−2 4) 1.5 ⋅ 10−6

the 17 students on the math team want to raise $483.62 to buy practice books. they have already raised 218.25. if each student raises the same amount.How much more money must each student raise.

Please help me!!!!! (25 points)
Right answers only!!!!!!

A. (-1,3)
B. (3, -1)
C. (-7, 3)
D. (3, -7)

Add. −5+(−2)=
Pls help

Convert 19:51 to 12 hour time.

How to simplify-18 < 9x

Pls help will mark brainliest

keli wants to sew trim around the sleeves and hem of a dance costume. she needs a piece of trim that is 8 1/8 inches long for the sleeves and a piece that is 40 5/8 inches long for the hem. if the package contains 5 feet of trim, how much trim will be left after making the costume

another challenge
[tex]6 \times 2y \div 3[/tex]
​

Parker is planning to build a playhouse for his sister.The scaled model below gives the reduced measures for width and height. The width of the playhouse is 22 centimeters and the height is 10 centimeters. Not drawn to scale The yard space is large enough to have a playhouse that has a width of 3.5 meters. If Parker wants to keep the playhouse in proportion to the model, what cross multiplication of the proportion should he use to find the height? (3.5) (10) = 3.5 x (3.5) (22) = 3.5 x (10) (3.5) = 22 x (1) (22) = 3.5 x

Find the midpoint of the line segment with end coordinates of: (2,0)and (8,8)

help please and tyyy

Rae was estimating the difference between two positive numbers x and y (where x > y). First she rounded x up by a small amount. Then she rounded y down by the same amount. Finally, she subtracted the rounded numbers.
Which of the following statements is correct?
Question options:

Her estimate is larger than x − y.


Her estimate is smaller than x − y.


Her estimate equals x − y.


Her estimate equals y − x.


Her estimate is 0.

Sara and Sam are each working on a science project in which they need to research the individual masses of the nine planets (including the dwarf planet Pluto as the ninth planet). Sara completes her data for the planets' masses in kilograms while Sam's data is in milligrams.

Sara:

Planet Mass (in kilograms)
Jupiter 1.989 · 10(27)
Saturn 5.685 · 10(26)
Neptune 1.024 · 10(26)
Uranus 8.681 · 10(25)
Earth 5.974 · 10(24)
Venus 4.869 · 10(24)
Mars 6.419 · 10(23)
Mercury 3.302 · 10(23)
Pluto 1.31 · 10(22)
Sam:

Planet Mass (in milligrams)
Jupiter 1.989 · 10(33)
Saturn 5.685 · 10(32)
Neptune 1.024 · 10(32)
Uranus 8.681 · 10(31)
Earth 5.974 · 10(30)
Venus 4.869 · 10(30)
Mars 6.419 · 10(29)
Mercury 3.302 · 10(29)
Pluto 1.31 · 10(28)
Approximate how many times greater Saturn's mass is than Mercury's.

200,000
2,000,000
2,000
20,000
i put exponents in parenthesis

Robin bought a bunch of packages of gum at the gas station 8 1/7 of a package each week. How Much would she have eaten in 4 weeks.?

Amira needs 24 and StartFraction 3 over 10 EndFraction feet of fencing material to make a fence for her small garden. Which number represents the additive inverse of this number?

Decide if each equation is true or false.

7⋅8=56
-7⋅8=56
-7⋅-8=-56
-7⋅-8=56
3.5⋅12=42
-3.5⋅-12=-42
-3.5⋅-12=42
-12⋅72=42

PLZ HELP BRAINLIEST!!! solve for v


d=m/v

Angela wants to purchase carpeting for her living room. The dimensions of her living room are 15 feet by 18 feet. If carpeting is sold by the square yard, determine how many square yards of carpeting she must purchase.

ILL GIVE BRAINLIEST!! PLEASE EXPLAIN!
I don't understand how an equation will help me get the slope of f(x).
I need an explanation of how an equation(I mean like y = mx + b or something like that) would give me the slope! Please explain how!!

Part 1) Jessica has $250.78 in her bank account. She buys a bike for $300.36. What is her account balance now? Part 2) Using your answer from part one, if Jessica earns $75.50 the next week from delivering newspapers and deposits it in her account, what will her account balance be then?