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Margarita [4]
3 years ago
7

Write the sentence as an equation d times 397, decreased by 35 is 199

Mathematics
1 answer:
Andreas93 [3]3 years ago
3 0

d \times 397 - 35 = 199

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Which is the graph of a quadratic equation that has a negative discriminant?
vovikov84 [41]

Answer:

Here's what I get  

Step-by-step explanation:

The formula for a quadratic equation is

ax² + bx + c = 0

The quadratic formula gives the roots:

x = \dfrac{-b\pm\sqrt{b^2-4ac}}{2a} =  \dfrac{-b\pm\sqrt{D}}{2a}

D is the discriminant.

It tells us the number of roots to the equation — the number of times the graph crosses the x-axis.

D = \begin{cases}\text{positive}  & \quad \text{2 real solutions}\\\text{zero} & \quad \text{1 real solution}\\\text{negative} & \quad \text{0 real solutions}\\\end{cases}

It doesn't matter if the graph opens upwards or downwards.

If D > 0, the graph crosses the x-axis at two points.

If D = 0, the graph touches the x-axis at one point.

If D < 0, the graph never reaches the x-axis.

Your graph must look like one of the two graphs on the right in the Figure below.

5 0
3 years ago
Write a polynomial function that has the zeros -3, 1, -1 and has a leading coefficient of 1.
maks197457 [2]

Answer:

x3+3x2-x-3

Step-by-step explanation:

4 0
2 years ago
Write down in terms of n, an expression for the nth term of the following sequences 2,8,18,32,50,
Art [367]

Answer:

198

Step-by-step explanation:

2+6=8+10=18+14=32+18=50+22=72+26=96+30=126+34=160+38=198

4 0
3 years ago
Round to the nearest tenth if neccessary<br> 69.904 divided by 34
Cloud [144]

Answer:

2.056

rounded to the nearest tenth: 2.1

Plz mark brainliest!! :DD

7 0
3 years ago
Read 2 more answers
If 18 plums weigh 54 ounces then 27 plums weigh x ounces
sergiy2304 [10]

Answer:

81 ounces

Step-by-step explanation:

Divide 54 by 18 to find the weight of 1 plum then multiply this by 27.

54 ounces ÷ 18 = 3 ounces , then

27 plums = 27 × 3 = 81 ounces

8 0
3 years ago
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