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Mazyrski [523]
3 years ago
11

Solve using the quadratic equation. –3x2 - 4x + 10 = 0

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
8 0

Answer:

x =(-4-√136)/6=(-2-√ 34 )/3= -2.610

or

x =(-4+√136)/6=(-2+√ 34 )/3= 1.277

Step-by-step explanation:

You might be interested in
Simplify. 6 (y+13)+21y O 27y +78 O 6y + 78 O27y +13​
Veronika [31]

The simplified expression of 6(y + 13) + 21y is 27y + 78

<h3>How to simplify the expression?</h3>

The expression is given as:

6(y + 13) + 21y

Open the brackets

6 * y + 6 * 13 + 21y

Evaluate the product

6y + 78 + 21y

Collect the like terms

6y + 21y + 78

Evaluate the like terms

27y + 78

Hence, the simplified expression of 6(y + 13) + 21y is 27y + 78

Read more about simplified expressions at

brainly.com/question/723406

#SPJ1

8 0
2 years ago
Log of square root of 9/25
hoa [83]
You can rid the square root and be left with log of 3/5 
then you can simplify this further into: log(3) - log(5) and then get the final answer -0.2218

\sqrt{9}/ \sqrt{25}   =  \sqrt{9/25}
8 0
4 years ago
Find the height "h" so that its area is equal to 400 square cm.
jenyasd209 [6]

Answer:

h = 20 cm

Step-by-step explanation:

The area of a trapezoid is given by

A = 1/2 (b1+b2) *h

where b1 and b2 are the two bases

We are given a =400 and b1 =27 and b2 =13

400 = 1/2 (27+13) *h

400 = 1/2 (40) *h

400 = 20h

Divide each side by 20

400/20 = 20h/20

20 =h

8 0
3 years ago
A jeweler is dividing
Anuta_ua [19.1K]

Answer: OPTION D:  \frac{3}{32}

Step-by-step explanation:

By definiton, fractions have the following form:

\frac{a}{b}

Where "a" is called numerator and "b" is the denominator. The numerator and the denominator are Integers.

 In order to solve this exercise you need to remember de Division of fractions:

\frac{a}{b}\div\frac{d}{e}=\frac{a}{b}*\frac{e}{d}=\frac{a*e}{b*d}

In this case, according to the information given in the exercise, you know that \frac{3}{8}\ lb of rubies are divided into 4 lots.

Therefore, in order to calculate the weight in pounds of each lot, you need to divide \frac{3}{8}\ lb  by 4.

Then, you get the following result:

\frac{3}{8}\ lb\div4=(\frac{3}{8}\ lb) (\frac{1}{4})=\frac{3}{8*4}\ lb=\frac{3}{32} \ lb

As you can notice, this result matches with the Option D.

5 0
3 years ago
THE CHOICES IS IN THE PIC.
Ronch [10]

Answer:

40. D

41. D

42. D

43. C

Hope this helps

7 0
3 years ago
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