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Mrrafil [7]
3 years ago
9

Write down the unit digit for each of the following square first 78 pawer 2​

Mathematics
1 answer:
Vladimir79 [104]3 years ago
6 0

Answer:

4

Step-by-step explanation:

Since 78² then 8² = 64 which indicates 4 is the unit digit

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Help PLEASE I don't get this giving many points
Tom [10]

Answer:

x=20

Step-by-step explanation:

7 0
3 years ago
The equation of a line is y=-2x+1. What is the equation of the line that is parallel to the first line and passes through (2,2)?
Murrr4er [49]

Answer:

The equation in slope-intercept form is y=-2x+6.

The equation in standard form is 2x+y=6.

The equation in point-slope form is y-2=-2(x-2).

Step-by-step explanation:

The slope-intercept form of a line is y=mx+b where m is the slope and b is the y-intercept.

Parallel lines will have the same slope and different y-intercept.

Anyways the slope of y=-2x+1 is -2.

So the equation of our line we are looking for is -2.

So we know our equation is in the form y=-2x+b.

We must inf b using y=-2x+b with (x,y)=(2,2).

y=-2x  +b  with (x,y)=(2,2)

2=-2(2)+b

2=-4+b

Add 4 on both sides:

2+4=b

Simplify:

6=b

The equation is y=-2x+6.

Now it didn't say what form it wanted.

There are some forms I can give you like standard and point-slope form.

There is also general form but it is not too much different from standard form.

Standard form is ax+by=c where a,b, and c are integers if possible.

Point-slope form is y-y1=m(x-x1) where (x1,y1) is a point on the line and m is the slope.

So let's go for standard form (ax+by=c) first:

y=-2x+6

add 2x on both sides:

2x+y=6

This is standard form because it is in the form

ax+by=c.

Ok we know point (2,2) is on our line and we also know we have slope,m, is -2.

Point-slope form is

y-y1=m(x-x1)

y-2=-2(x-2)

8 0
3 years ago
The image shows parallel lines cut by a transversal. The expressions represent unknown angle measurements. What is the value of
Triss [41]
Answer) C. 77
This picture shows how I got to the answer. You must set up the two expressions to equal each other and then solve for X

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3 years ago
Help please! Thanks!!
Effectus [21]

Answer:

inverse of sin 1.6

or it can be written as sin^1 1.6

5 0
3 years ago
What operations are needed to solve this word problem? Joe has 8 Dalmatians. Sarah has 3 fewer Dalmatians than Joe. How many Dal
yan [13]
You take it like this=

8
-3
~~
3
+
3
+
3
-
1
~~
(4×2)
-
3
~~
[[5]]

《5+8》


/ \
| 13 |
\ /
3 0
3 years ago
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