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Margarita [4]
3 years ago
9

What is the sum of 3 3/4 + 1 1/2=?

Mathematics
1 answer:
Gnesinka [82]3 years ago
5 0

You need to find the least common denominator first which is 4. 3 3/4 can stay the same but you must have like denominators to add so change 1 1/2 to 1 2/4 by multiplying by 2/2. You know have like denominators and you can add whole numbers first 3+1=4 and then the fractions 3/4+2/4= 5/4 which is also 1 1/4. Now you add 4 so your answer is 5 1/4

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Find the discriminant of the following quadratic equation<br> x^-5x+3=0
nika2105 [10]

The discriminant of the given quadratic equation as in the task content can be evaluated by means of the formula; D = b²-4ac and it's value is; 13.

<h3>What is the discriminant of the quadratic equation as given in the task content?</h3>

According to the task content, it follows that the quadratic equation whose discriminant is to be determined is; x²-5x+3=0.

By comparison with the standard form equation of a quadratic graph which goes thus; ax²+bx +c = 0, in which case, the determinant is given by the expression; b² - 4ac.

We can consequently evaluate the determinant of the quadratic equation in discuss as follows;

Determinant = b² -4ac = (-5)² - (4×1×3) = 25 - 12

Hence, the determinant in this case is; 13.

Read more on determinant;

brainly.com/question/24254106

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8 0
2 years ago
Mark Borrowed $5,500 at 11.5 percent for 5 years (2.199) what is the amount of Marks total payment?
Airida [17]
Let I am interest, r rate, t time and p principle,

l= prt

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4 0
3 years ago
Read 2 more answers
How do you add and subtract fractions??
Semenov [28]
To add fractions they're suppose to have the same base or denominator then u add the top

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5 0
3 years ago
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FREE BRAINLIEST!!!!!!
vivado [14]

Let's solve the first inequality at first. So,

−2(x + 4) + 10 < x − 7

-2x- 8 + 10 < x - 7 By distribution property.

-2x + 2 < x - 7 Adding the like terms.

-2x < x - 7 - 2 Subtract 2 from each sides.

-2x < x - 9 By simplifying.

-2x - x < -9 Subtract x from each sides.

-3x < -9

-\frac{3x}{3}

Since we are dividing by negative 3. So, sign of inequality will get change.

So, x>3

Now the next inequality is,

−2x + 9 > 3(x + 8)

-2x + 9 > 3x + 24

-2x > 3x + 24 - 9

-2x > 3x + 15

-2x - 3x > 15

-5x >15

-\frac{5x}{-5} >\frac{15}{-5}

So, x <-3

Hence, the correct choice is x > 3 or x < −3.

7 0
3 years ago
A worker uses 450 inches of steel wire to make 300 springs of the same size. At this
rusak2 [61]

Answer: 1.5 inches of steel for one spring

Step-by-step explanation:  

I divided 450 by 300 which gets you to 1.5 next to check your answer you multiply that by 300 which gets you to 450

6 0
3 years ago
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