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
mart [117]
2 years ago
15

The sum of a number times 8 and 21 is less than -16.

Mathematics
1 answer:
vodka [1.7K]2 years ago
7 0

Hello.

First of all, let the number be t.

8 times t can be written like this:

\mathrm{8t}

Notice that the number is before the variable and the times sign (×) is not there.

We can write it as 8×t, but we usually write it as 8t.

The sum of means we add:

8t+21

Now, "less than" is "<" :

\mathrm{8t+21 < -16}

Therefore, the answer is

\mathrm{8t+21 < -16}

I hope it helps.

Have a nice day.

\boxed{imperturbability}

You might be interested in
Can u plz plz help me
rewona [7]

Answer:

Raquel collected 30 marbles

Step-by-step explanation:

If there are 80 marbles, and Raquel has collected 3/8 of them, he has collected 30

8 0
3 years ago
Read 2 more answers
I will give brainliest!!!
Tresset [83]

Answer:

Didn't I just do this one?

hmm

It is B btw

6 0
3 years ago
Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
shusha [124]

Answer:

24

Step-by-step explanation:

You need to plug in 3 for all of the x-values

That looks like 2(3)^2 + 5(3) - 9

Then if you simplify it is 2(9) + 15 - 9

Then simplify one last time and you get a final answer of 24

6 0
3 years ago
Read 2 more answers
Help need ASAP!! Thanks!! Length of a rectangle is 5 cm longer than the width. Four squares are constructed outside the rectangl
Basile [38]

Answer:

The perimeter of rectangle is 18\ cm

Step-by-step explanation:

Let

x-----> the length of the rectangle

y----> the width of the rectangle

we know that

x=y+5 ----> equation A

120=xy+2x^{2}+2y^{2} ---> equation B (area of the constructed figure)

substitute the equation A in equation B

120=(y+5)y+2(y+5)^{2}+2y^{2}

120=y^{2}+5y+2(y^{2}+10y+25)+2y^{2}\\ 120=y^{2}+5y+2y^{2}+20y+50+2y^{2}\\120=5y^{2}+25y+50\\5y^{2}+25y-70=0

using a graphing tool -----> solve the quadratic equation

see the attached figure

The solution is

y=2\ cm

Find the value of x

x=y+5 ----> x=2+5=7\ cm

Find the perimeter of rectangle

P=2(x+y)=2(7+2)=18\ cm

8 0
3 years ago
A number divided by -9 is -16 what would that equation look like
yanalaym [24]

Answer:

x / -9 = -16

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
Other questions:
  • Solve the inequality -8 &lt; -8x
    6·1 answer
  • What is x when f(x)=0
    7·1 answer
  • (1 point) In this problem we show that the function f(x,y)=7x−yx+y f(x,y)=7x−yx+y does not have a limit as (x,y)→(0,0)(x,y)→(0,0
    12·1 answer
  • A Tessellation has no________. A) gaps or overlaps B) translations C) repeated figures
    14·1 answer
  • If f(x) and f^-1(x) are inverse functions of each other adn f(x) - 2x+5, what is f^-1(8)?
    10·2 answers
  • James ran 25/100 of a mile yesterday. His friend, Natasha, ran 4/10 of a mile. Who ran farther and how do you know?
    13·1 answer
  • Us
    8·1 answer
  • Please help quick i need this done today Ill give brainiest
    6·1 answer
  • Quick algebra 1 question for 50 points!
    14·1 answer
  • Find the service area of a cylinder with a base diameter of 6ft and height of 4ft
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!