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WITCHER [35]
3 years ago
7

How is 7.7 x 1.4 = 10.78

Mathematics
2 answers:
stellarik [79]3 years ago
8 0
Do 77 times 14

770+308=1,078

Divide 1,078 by 100
=10.78
baherus [9]3 years ago
8 0
It is. if you use a calculator it comes out perfectly. if you round, 8 times 1 is 8, which is close to 10.78. 
You might be interested in
Find the sum: (3x^2+2x+3)+(x^2+x+1)
elena-s [515]

Answer:

 4x2 + 3x + 4

Step-by-step explanation:

Step-1 : Multiply the coefficient of the first term by the constant   4 • 4 = 16

Step-2 : Find two factors of  16  whose sum equals the coefficient of the middle term, which is   3 .

-16+-1=-17

-8+-2=-10

-4+-4=-8

-2+-8=-10

-1+-16=-17

1+16=17

2+8=10

4+4=8

8+2=10

16+1=17

Final result :

4x2 + 3x + 4

3 0
3 years ago
Need your help plz and thank you
emmainna [20.7K]

Answer:

Point D

Step-by-step explanation:

Point D(x,y) x=4, y=4/2=2

5 0
3 years ago
NEEED HELP THANK YOU
Misha Larkins [42]

Answer:

<h2>z = -1</h2>

Step-by-step explanation:

Given the equation;

\frac{1}{z+1} +\frac{5}{z+5} = \frac{4}{z^2+6z+5}\\\

Find the LCM

\frac{1(z+5)+5(z+1)}{z^2+6x+5} = \frac{4}{z^2+6z+5}\\\\1(z+5)+5(z+1) = 4\\Expand\\z+5+5z+5 = 4\\6z+10 = 4\\6z = 4 -10\\6z = -6\\z = -6/6\\z = -1\\

Hence the value of z that satisfies the equation is -1

6 0
3 years ago
What is the slope for -3 , -2.5​
weqwewe [10]

Answer:

Is there only one coordinate point? is that all the information you got?

7 0
4 years ago
What is the slope of the line that had that equation 4x+2y=12
Naddik [55]

Answer:

<h2>- 2</h2>

Step-by-step explanation:

The slope intercept form of an equation of a line:

y=mx+b

m - slope

b - y-intercept

We have the equation of a line in the standard form

Ax+By=C

Convert to the slope-intercept form:

4x+2y=12            <em>subtract 4x from both sides</em>

2y=-4x+12         <em>divide both sides by 2</em>

y=-2x+6

Therefore the slope is equal to -2.

Other method:

If we have the equation of a line in standard form Ax + By = C

or in general form Ax + By + C = 0, then the formula of a slope is

m=-\dfrac{A}{B}

We have A = 4 and B = 2. Substitute:

m=-\dfrac{4}{2}=-2

7 0
3 years ago
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