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castortr0y [4]
3 years ago
5

What is 154 ÷ 10? A. 0.154 B. 1.54 C.15.4 D.154

Mathematics
2 answers:
mylen [45]3 years ago
8 0

Answer:

15.4

Step-by-step explanation:

Move the decimal point to the left:)

Hint: Smile and have a marvellous day!

Bezzdna [24]3 years ago
5 0

Answer:

15.4

Step-by-step explanation:

154 / 10 = 15.4

If you're ever dividing any number and it isn't a multiple of 10 you just move the decimal over to the left once.

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Write the equation of the line with a slope of 1/2 that passes through the point (-6,10)​
Katen [24]

Answer:

An equation is

y =  \frac{1}{2} x + 13

.

Step-by-step explanation:

☆Since since we're given the slope, all we need to do is find the y-intercept.

☆The slope-intercept formula is: y = mx + b.

☆We are going to plug in according to the formula.

y = mx + b \\  \\ 10 =  \frac{1}{2} ( - 6) + b \\ 10 =  - 3 + b \\  \frac{ + 3 =  + 3 \:  \:  \:  \:  \:  \:  \:  \:  \: }{13 = b \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: }

☆We have everything we need, so now we put it together.

7 0
3 years ago
X^2 +105x-1050=1550<br><br> please help
bazaltina [42]

-x^2+105x-1050=1550
We move all terms to the left:
-x^2+105x-1050-(1550)=0
We add all the numbers together, and all the variables
-1x^2+105x-2600=0
a = -1; b = 105; c = -2600;
Δ = b2-4ac
Δ = 1052-4·(-1)·(-2600)
Δ = 625
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
<span><span>x1</span>=<span><span>−b−<span>Δ√</span></span><span>2a</span></span></span><span><span>x2</span>=<span><span>−b+<span>Δ√</span></span><span>2a</span></span></span>
<span><span>Δ<span>−−</span>√</span>=<span>625<span>−−−</span>√</span>=25</span> <span><span>x1</span>=<span><span>−b−<span>Δ√</span></span><span>2a</span></span>=<span><span>−(105)−25</span><span>2∗−1</span></span>=<span><span>−130</span><span>−2</span></span>=+65</span> <span><span><span>x2</span>=<span><span>−b+<span>Δ√</span></span><span>2a</span></span>=<span><span>−(105)+25</span><span>2∗−1</span></span>=<span><span>−80</span><span>−2</span></span>=+40</span></span>
8 0
4 years ago
Read 2 more answers
How add with the same denominator ?
Amiraneli [1.4K]

Answer:

you just add the top numbers and then if its over the denominator you simplify

Step-by-step explanation:

7/9 + 4/9

10/9

1-1/9

7 0
3 years ago
Can you create a equation for this
hammer [34]

Answer:

it's y = 2x

Step-by-step explanation:

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3 0
3 years ago
Need of help with this question
Vitek1552 [10]

Answer:

a triangle with an angle of 90°

a triangle with an angle of 55°

a triangle with an angle of 35°

Step-by-step explanation:

Every triangles angles add up to 180°. Add the choices up:

90+55+35\\145+35\\180

Each of the answers is an angle measure of the triangle.

8 0
4 years ago
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