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LenaWriter [7]
3 years ago
13

Helpppppppp??????????

Mathematics
2 answers:
Alexxx [7]3 years ago
8 0

Answer:

<em>Answer is option d</em><em> </em>

<em>Answer is </em><em>given below with explanations</em><em>. </em>

Step-by-step explanation:

We can prove that the two triangles are similar.

We can prove this using AA criterion of similarity.

In triangle DNC and triangle QSC

Vertically opposite angles are equal.

Then Angle QCS = Angle DCN

Two parallel lines cut by a transversal line make the alternate angles are equal.

Then Angle NDC = Angle CQS

By AA criterion of similarity

TRIANGLE DNC ~ TRIANGLE QSC

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>

Aleksandr-060686 [28]3 years ago
8 0
The awnser is D I hope I could helppp
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PPLS HELP my maths watch due tomorrow please help me
ehidna [41]

Answer:

x=0,-1 and x=

​

​ x=\frac{2+\sqrt{10}}{3},\frac{2-\sqrt{10}}{3}x=

​3

​​  

​​  

Step-by-step explanation:

1 Cancel 2 on both sides.

3{x}^{2}+3x=03x

​2

​​ +3x=0

2 Factor out the common term 3x3x.

3x(x+1)=03x(x+1)=0

3 Solve for xx.

x=0,-1x=0,−1

1 Move all terms to one side.

3{x}^{2}-3x-1-x-1=03x

​2

​​ −3x−1−x−1=0

2 Simplify  3{x}^{2}-3x-1-x-13x

​2

​​ −3x−1−x−1  to  3{x}^{2}-4x-23x

​2

​​ −4x−2.

3{x}^{2}-4x-2=03x

​2

​​ −4x−2=0

3 Use the Quadratic Formula.

x=\frac{4+2\sqrt{10}}{6},\frac{4-2\sqrt{10}}{6}x=

​6

​

​4+2√

​10

​

​​  

​​ ,

​6

​

​4−2√

​10

​

​​  

​​  

4 Simplify solutions.

x=\frac{2+\sqrt{10}}{3},\frac{2-\sqrt{10}}{3}x=

​3

​

​2+√

​10

​

​​  

​​ ,

​3

​

​2−√

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​​  

7 0
3 years ago
You want to buy a new case for your iPhone. The case is $37 and the tax is 6%. WHAT IS THE TOTAL?
aliina [53]

Answer:

$39.22

Step-by-step explanation:

The case costs $37. $37 is 100% of the price of the case.

The tax is 6% of the cost of the case. When you add 6% to 100% you get 106%.

The total price including tax is 106% of the price of the case.

106% of $37 = 1.06 * $37 = $39.22

Answer: $39.22

8 0
3 years ago
It takes 3 1/2 gallons of gas to travel 8 and 3/4 miles what is the unit rate of miles per gallon
valentinak56 [21]

Answer:

2 1/2 miles per gallon

Step-by-step explanation:

So to travel 8 3/4 miles, we need 3 1/2 gallons of gas. All we need to do is divide the gallons of gas by miles. So we would do 8 3/4 divided by 3 1/2. 3 1/2 goes into 8 3/4 2 1/2 times.

8 0
2 years ago
(4u-4bn)(u+2bn) find the product
luda_lava [24]
(4u-4bn)(u+2bn) 

4u^2+8ubn-4bnu-8b^2n^2 

4u^2+(8bnu-4bnu)-8b^2n^2 

4u^2+4bnu-8b^2n^2
4 0
3 years ago
Answer this and I’ll make you Brainly!!!!
OLga [1]

Answer:

f(x) = 8x + 2

Step-by-step explanation:

An easy way to test what the function is, is to fill in x wiht one of the imputs, lets try two of the options, 0 and then -4

If we fill in the x as 0 we have

8(0) +2 = 2               (Put it into the equation equal to the output) Now simplify

0+2=2                    Anything times 0 is 0, now wehave

2 = 2                  This proves that the equation is correct

If we tried it with -4 we would also see it is correct

8(-4) +2 = -30                First multiply the -4 and 8 because of PEMDAS

-32 + 2 = -30                Now simplify

-30 = -30           This proves that the equation works, if you had tried one of the other equations they wouldn't have been equal if you had only used the f(x) = 8x              with the 0 it wouldn't have worked

8(0) = 2

0 ≠ 2

8 0
3 years ago
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