1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
deff fn [24]
3 years ago
11

WILL GIVE BRAINLIEST

Mathematics
2 answers:
Musya8 [376]3 years ago
7 0

I cant follow what you've written but here is the correct solution with steps:-

-5x - 14 = 2x + 7

-5x - 2x - 14 = 2x - 2x + 7

-7x - 14 = 7

-7x - 7 - 14 = 7 - 7

-7x - 21 = 0

-7x -21 + 21 = 21

-7x = 21

-7x/-7 = 21 /-7

x = -3 answer

Nikitich [7]3 years ago
4 0

<u>The answer is A.</u>

Rae made the error when she added 7.

The equation should be: <u>-14 - 7 = 7x + 7 - 7</u>  

You might be interested in
You are designing an aquarium that is to have a tank holding 225,000 gallons of water. The tank will be 100 feet long and 20 fee
ziro4ka [17]
So hmmm notice the picture below

thus   \bf \textit{volume of a rectangular prism}\\\\&#10;V=lwh\qquad &#10;\begin{cases}&#10;l=length\\&#10;w=width\\&#10;h=height\\&#10;----------\\&#10;l=100\\&#10;w=20\\&#10;V=225,000&#10;\end{cases}\implies 225,000=(100)(20)h

solve for "h"

5 0
3 years ago
What is the function​
Mrrafil [7]
You have the answer correct
4 0
3 years ago
(2x+3y)+(8x+10y) simplify the following
zzz [600]

Answer:

10x+13y

Step-by-step explanation:

remove parentheses:

2x+3y+8x+10y

add like-terms:

2x+8x+3y+10y

add numbers with the same variables/elements

10x+3y+10y-->10x+13y

hope this helps

4 0
3 years ago
Read 2 more answers
Select all the expressions which are equivalent to<br> -4/3p - 2/5
AVprozaik [17]

Answer

-2/5 -4/3 p and -4/3p+ (-2/5)

Step-by-step explanation:

those two are the only answers that has both parts of the expressions as negative.

6 0
3 years ago
An icicle with a diameter of 15.5 centimeters at the top, tapers down in the shape of a cone with a length of
Helga [31]

Answer:

Step-by-step explanation:

Note: I will leave the answers as fraction and in terms of pi unless the question states rounding conditions to ensure maximum precision.

From the question, we can tell it is a inversed-cone (upside down)

Volume of Cone = \pi r^{2} \frac{h}{3}

a) Given Diameter , d = 15.5cm and Length , h = 350cm,

we first find the radius.

r = \frac{d}{2} \\=\frac{15.5}{2} \\=7.75cm

We will now find the volume of the cone.

Volume of cone  \pi (7.75)^{2} \frac{350}{3} \\= \frac{168175\pi }{24}

We know the density of ice is 0.93 grams per 1cm^{3}

1cm^{3} =0.93g\\\frac{168175\pi }{24}  cm^{3} =0.93(\frac{168175\pi }{24} )\\= 20473 g(Nearest Gram)

b) After 1 hour, we know that the new radius = 7.75cm - 0.35cm = 7.4cm

and the new length, h = 350cm - 15cm = 335cm

Now we will find the volume of this newly-shaped cone.

Volume of cone = \pi (7.4)^{2} \frac{335}{3} \\= \frac{91723\pi }{15} cm^{3}

Volume of cone being melted = New Volume - Original volume

= \frac{168175\pi }{24} -\frac{91723\pi }{15} \\= \frac{35697\pi }{40} cm^{3}

c) Lets take the bucket as a round cylinder.

Given radius of bucket, r = 12.5cm (Half of Diameter) and h , height = 30cm.

Volume of cylinder = \pi r^{2} h\\=\pi (12.5)^{2} (30)\\=\frac{9375\pi }{2} cm^{3}

To overflow the bucket, the volume of ice melted must be more than the bucket volume.

Volume of ice melted after 5 hours = 5(\frac{35697\pi }{40} )\\=\frac{35697\pi }{8} cm^{3}

See, from here of course you are unable to tell whether the bucket will overflow as all are in fractions, but fret not, we can just find the difference.

Volume of bucket - Volume of ice melted after 5 hours

= \frac{9375\pi }{2} -\frac{35697\pi }{8 } \\=\frac{1803\pi }{8}cm^{3}

from we can see the bucket can still hold more melted ice even after 5 hours therefore it will not overflow.

4 0
2 years ago
Other questions:
  • What is the slope of this line?
    5·1 answer
  • QUESTION!!!! WHEN TRYING TO PROVE SIMILER TRIANGLES, IF YOUR USINF THE ANGLE ANGLE SIMILARITY POSTUALET HOW MANY ANGLES DO YOU N
    6·1 answer
  • Given lines l, m and n are all parallel and cut by two transversal lines, find the value
    12·1 answer
  • What is the value of X?
    11·1 answer
  • Solve -x/4&lt;7 thank u!
    6·1 answer
  • Jacob rode his bicycle 8 km in 2 h, stopped to change a flat tire, and then completed his trip by riding 4 km in 1.2 h.
    9·1 answer
  • Lexie bought a new car for $32,000. It
    9·1 answer
  • I need urgent help plz
    5·2 answers
  • Please help me 15 points and ill also give brainliest to correct answer
    15·2 answers
  • Brainiest to whoever right
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!