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2 years ago

Please help ASAP....

Mathematics

1 answer:

Mila [183]2 years ago

7 0

Answer: A. 1/4 the area of circle L

Step-by-step explanation:

NOP is a quarter of the whole circle

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40x=10x^2+41 <br><br> Identify the number of solutions and their types using the discriminant

nydimaria [60]

Number of solutions: no roots

Type of solution: Not Real

Step-by-step explanation:

We need to identify the number of solutions and their types using the discriminant.

We are given: $40x=10x^2+41\\$

Rearranging:

$40x-10x^2-41=0\\10x^2-40x+41=0$

Discriminant can be found by: $b^2-4ac$

where b=-40, a=10 and c=41

Putting values:

$b^2-4ac\\=(-40)^2-4(10)(41)\\=1600-1640\\=-40\\$

So, Discriminant is -40

If the discriminant is less than zero i.e -40 then there are no real roots.

So, Number of solutions: no roots

Type of solution: Not Real

Keywords: discriminant

Learn more about discriminant at:

#learnwithBrainly

6 0

3 years ago

Item 11

zhannawk [14.2K]

Answer:

$Amount\ of\ sales=\$ 6000$

Step-by-step explanation:

$Let\ total\ sales=x\\\\Commission=3\%\ of\ total\ sale\\\\Commission=3\%\ of\ x\\\\It\ is\ given\ that\ salesperson\ gets\ \$ 180\ as\ commission.\\\\3\%\ of\ x=180\\\\\frac{3}{100}x=180\\\\x=\frac{180\times 100}{3}\\\\x=60\times 100\\\\x=6000\$\\\\Amount\ of\ sales=\$ 6000$

8 0

3 years ago

If one gallon of paint covers 825 sq. ft., how much paint is needed to cover 2640 sq. ft.

Ray Of Light [21]

3.2 gallons of paint is needed since 2640 divided by 825 = 3.2

6 0

3 years ago

Read 2 more answers

You purchase a new flat screen TV for $878.99. You are charged sales tax at a rate of 6%. What is your total balance due when yo

goblinko [34]

Answer:

Sales tax: $52.74

■ Cost/Price before ST: $878.99

■ Total Cost/Price including ST: $931.73

Step-by-step explanation:

3 0

3 years ago

Can anyone help me on that question too its math plsss

Assoli18 [71]

Answer:

2x= 40°

5x= 100°

Step-by-step explanation:

2x on opposite angle because it is an isosceles triangle

2x+ 2x+ 5x = 180° (angles of a triangle)

9x= 180

x= 180/9

x= 20°

Sub

2(20)= 40°

5(20)= 100°

7 0

2 years ago