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Oduvanchick [21]
3 years ago
5

Question:

Mathematics
1 answer:
mylen [45]3 years ago
5 0
At least up to 100 miled
You might be interested in
Simplify to create a equivalent expression.
Ratling [72]

Answer:

\boxed{\bold{66k+9}}

Explanation:

Expand \bold{5\left(10k+1\right): \ 50k+5}

= \bold{50k+5+2\left(2+8k\right)}

Expand \bold{2\left(2+8k\right): \ 4+16k}

= \bold{50k+5+4+16k}

Simplify \bold{50k+5+4+16k: \ 66k+9}

= \bold{66k+9}

Mordancy.

7 0
3 years ago
Read 2 more answers
Find the midpoint of the line segment joining the points R(-5,5) and S(4.6).
tigry1 [53]

Hey there! I'm happy to help!

To find the x value of the midpoint, you add the x values and divide by 2.

-5+4=-1

-1/2=-1/2

For the y value, you add the y values and divide by 2.

5+6=11

11/2=5 1/2

So, the midpoint is (-1/2, 5 1/2).

Have a wonderful day! :D

6 0
3 years ago
Maria mixes 1/4 cup of white sugar and 2/3 cup of brown sugar, to make a topping for some muffins. She uses 1/12 cup of the mix
Sergeu [11.5K]
Maria can top 11 muffins.
7 0
3 years ago
Let A = { x ∈ R : x 2 − 5 x + 4 ≤ 0 } , B = (3 , 5), and C = (3 , 4]. Show that A ∩ B = C . (Recall, you must show two separate
kolbaska11 [484]

Answer:

You can proceed as follows:

Step-by-step explanation:

First solve the quadratic inequality x^{2}-5x+4\leq 0. To do that, factorize, then we have that (x-4)(x-1)\leq 0. This implies that

x-1\leq 0\, \text{and}\, x-4\geq 0

or

x-1 \geq 0\, \text{and}\, x-4\leq 0

In the first case the solution is the empty set \emptyset. In the second case the solution is the interval 1\leq x \leq 4. Now we have that

A=[1,4]

B=(3,5)

C=(3,4].

To show that A\cap B\subseteq C consider x\in A\cap B. Then 1\leq x \leq 4\, \text{and}\, 1, this implies that 3, then x\in C. Now, to show that C\subseteq A\cap B consider x\in C, then 3, then 1\leq x \leq 4\, \text{and}\, 3, then x\in [1,4] \, \text{and}\, x\in (3,5), this implies that x\in A\cap B.

Observe the image below.

7 0
3 years ago
Plzzz helppp!!<br> 9-4x=17????
AnnyKZ [126]

Answer:

<h3>\boxed{ \bold{ \boxed{ \sf{x =  - 2}}}}</h3>

Step-by-step explanation:

\sf{9 - 4x = 17}

Move 9 to right hand side and change it's sign

⇒\sf{ - 4x = 17 - 9}

Subtract 9 from 17

⇒\sf{ - 4x = 8}

Divide both sides of the equation by -4

⇒\sf{ \frac{ - 4x}{ - 4}  =  \frac{8}{ - 4}}

Calculate

⇒\sf{x =  - 2}

Hope I helped!

Best regards!!

6 0
3 years ago
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