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Mekhanik [1.2K]
3 years ago
15

Tom worked 4 hours on Monday and 52 hours

Mathematics
1 answer:
Irina18 [472]3 years ago
4 0
56 Hours Hope this helps
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Which two equations would be most appropriately solved by using the quadratic formula?
leva [86]

For this case we have that by definition, the quadratic formula is:x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}

A quadratic equation is of the form:

ax ^ 2 + bx + c = 0

Option A: This equation can be solved without the quadratic formula

x ^ 2 = \frac {9} {3}\\x ^ 2 = 3\\x = \pm \sqrt {3}

Option B:

This equation is not as easy to solve by factoring or as option A. We can use the quadratic formula.

Option C:

-2x ^ 2 + 5x = 7

Similarly, this equation can be solved with the quadratic formula

Option D:

- (x - 3) (x + 9) = 0

In this factored equation we can see that the roots are

x_ {1} = 3\\x_ {2} = - 9

Answer:

Option B, C

4 0
4 years ago
Write an equation of the line that passes through point (-1, 5) and has the slope m = 4.
hram777 [196]
You want to find the equation for a line that passes through the point (-1,5) and has a slope of 4.
First of all, remember what the equation of a line is:

y = mx+b
Where:
m is the slope, and
b is the y-intercept
To start, you know what m is; it's just the slope, which you said was 4. So you can right away fill in the equation for a line somewhat to read:
y=4x+b.
Now, what about b, the y-intercept?

To find b, think about what your (x,y) point means:
(-1,5). When x of the line is -1, y of the line must be 5.
5 0
3 years ago
What is the domain and range of the graph?
I am Lyosha [343]

Answer:5/8

Step-by-step explanation:

I just need more Brainly points

7 0
3 years ago
Jeremy has 3/5 as many saved text messages as Ria. Jeremy has 24 saved text messages. How many saved texts do they have in all?
gladu [14]
J = 3/5R
J = 24

24 = 3/5R
24 * 5/3 = R
120/3 = R
40 = R

total = 40 + 24 = 64 text messages in total
7 0
4 years ago
a cartoon holds 1.248 liters of fruit juice. what is this amount rounded to the nearest tenth? use the number line below.
mestny [16]
<span>amount rounded to the nearest tenth of 1.248 should be 1.2
Answer is 1.2</span>
6 0
4 years ago
Read 2 more answers
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