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Licemer1 [7]
3 years ago
10

20 pts awarded and brainliest chosenWhich of the following is the solution to ?

Mathematics
2 answers:
Dvinal [7]3 years ago
5 0

Answer:

B.

Step-by-step explanation:

The answer is B

vladimir2022 [97]3 years ago
4 0

Answer:

D. No solution

Step-by-step explanation:

Doesn't matter what values of x are, |x| value is always a positive number.

So there are  no values of x that makes the inequality true.

So answer is no solution

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Mrs. Duncan measured the lengths of a crayon and a pencil. The pencil is double the length of the crayon. The sum of their lengt
Margarita [4]

Answer: The length of pencil is 16 centimetres and length of crayons is 8 centimetres

Step-by-step explanation:

Let the length of crayon =x

Length of a pencil =2x

As according to question that the sum of their length is 24 centimetres

So we have

x+2x=24\\\\\Rightarrow 3x= 24 \\\\\Rightarrow x= \dfrac{24}{3} =8

Therefore the length of crayon = 8 centimetres

Length of pencil= 2x= 2\times x = 2\times 8 =16 centimetres

Hence, the length of pencil is 16 centimetres and length of crayons is 8 centimetres

8 0
3 years ago
Equations practice with angles Geometry. Can anyone help me please, im stuck....​
Bas_tet [7]

Same as the last one ! Review your parallel lines, and you'll see that angles A and B have to be equal. So you solve it EXACTLY the same way as the last one.

You say "A equals B", and that means that

8x - 10 = 3x + 90

Solve that to find x (it's 20),

and then use x to find angle B (it's 150; they both are).

(Don't just take my word for it. Please work it through.)

3 0
3 years ago
WILL GIVE BRAINLIEST<br> What is X?
Karo-lina-s [1.5K]

Answer:

x = 20

Step-by-step explanation:

    2x + 7x = 180

⇔ 9x = 180

⇔ x = 180/9 = 20

7 0
3 years ago
Find quadratic polynomial which best fits the function f(x)=e^x and x=0, in the sense that g(0)= f(0), and g'(0) = f'(0), and g"
Dmitriy789 [7]
Let g(x)=ax^2+bx+c. Then

\begin{cases}g(0)=c\\g'(0)=b\\g''(0)=2a\end{cases}

Meanwhile, since f(x)=e^x, you have f(0)=f'(0)=f''(0)=e^0=1.

It follows that a=\dfrac12, b=1, and c=1, so that the quadratic fit for f(x)=e^x that satisfies the given points is

g(x)=\dfrac12x^2+x+1

Note that this is just the second-order Taylor polynomial for e^x about x=0.
3 0
3 years ago
Guys please help..
mylen [45]

Answer:

1. I=P*i*t

1365=6500*7%*t

1365=455*t

t=3

2.-Students 40

   Like mathematics

= 40*80

=32

Don´t like it is

=40-32

=8

Step-by-step explanation:

1. I=P*i*t

1365=6500*7%*t

1365=455*t

t=3

2.-Students 40

   Like mathematics

= 40*80

=32

Don´t like it is

=40-32

=8

7 0
3 years ago
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