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
Stella [2.4K]
2 years ago
12

How can you use 4s facts to find 7*8

Mathematics
1 answer:
Luda [366]2 years ago
5 0
 
→4(2)  which can be referred to as 4 + 4 

→14 (4)<span>= 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 </span>  which also equal  to → 4  + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 +4 + 4 +4 +4 + 4 +4 +4 
You might be interested in
How many yards are there in 1260 feet? A. 105 yards B. 210 yards C. 3780 yards D. 420 yards
frez [133]

The answer is D. 420 yards because 1yd. = 3 ft. 1260 divided by three = 420

7 0
3 years ago
A vegetable farm fills 2/3 of a wooden crate with 5/7 of a pound of tomatoes. How many pounds of tomatoes can he fit into one cr
Misha Larkins [42]
3 pound og tomatoes can fit into one crate o believe
3 0
3 years ago
The volume of cube is 343 cubic centimeters.What is the suface area of the cube
Ann [662]
The cube root of 343 is 7.
One side has an area of 7*7 = 49 square cm
There are 6 sides to a cube
6 * 49 is the surface area = 294
7 0
3 years ago
Write an equation and solve the unknown
KATRIN_1 [288]
6 - x = 2x

6 = 2x + x

6 = 3x
———-
3

x = 2

I believe take away means subtraction??
4 0
3 years ago
H(x)=(x^2)+1 and K(x)=-(x^2)+4. If K(H)=0, what are the roots/solutions?
zubka84 [21]
H(x)=(x^2)+1\ \ \ \ and\ \ \ \  K(x)=-(x^2)+4. \\\\K(H)=-(H^2)+4=-(x^2+1)^2+4=4-(x^2+1)^2=\\\\.\ \ \ =2^2-(x^2+1)^2=(2-x^2-1)(2+x^2+1)=(1-x^2)(3+x^2)=\\\\.\ \ \ =(1-x)(1+x)(x^2-3\cdot i^2)=(1-x)(1+x)(x- \sqrt{3} \cdot i)(x+ \sqrt{3} \cdot i)\\\\ K(H)=0\ \ \ \ \Leftrightarrow\ \ \ (1-x)(1+x)(x- \sqrt{3} \cdot i)(x+ \sqrt{3} \cdot i)=0\\\\x=1\ \ \ \ or\ \ \ \ x=-1\ \ \ \ or\ \ \ \ x=\sqrt{3} \cdot i\ \ \ \ or\ \ \ \ x=-\sqrt{3} \cdot i\\\\Ans.\ e.
4 0
2 years ago
Other questions:
  • What is the slope of a line perpendicular to y = 8 - 2/7x?
    13·2 answers
  • Find me midpoint of -9 and 6
    13·2 answers
  • PLEASE HELP I've tried solving this so many times I don't understand!
    6·1 answer
  • F(x) = x + 2 g(x) = x – 4 (f g)(x) =
    13·2 answers
  • Mitchell currently sells stoves for company A at a salary of $12,000 plus a $150 commission for each stove he sells. Company B o
    14·1 answer
  • Ten minutes after a plane leavesthe airport, it is reported to be 40 miles
    9·1 answer
  • The annual rate of depreciation, x, on a car that was purchased for $9,000 and is worth $4,500 after 5 years can be found using
    9·2 answers
  • What is the slope of the line?
    15·2 answers
  • Please help me out :((
    11·1 answer
  • Id : 237 514 2470<br>pass : frmCV5​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!