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iren [92.7K]
3 years ago
6

Simplify 0.5(1.1-2x) +2.4x-2.10

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
5 0

Answer:

1.4x - 1.55

Step-by-step explanation:

We have to simplify the expression as 0.5(1.1 - 2x) + 2.4x - 2.1

Now, 0.5(1.1 - 2x) + 2.4x - 2.1

= 0.5 × 1.1 - 0.5 × 2x + 2.4x - 2.1 {Using the distributive property of multiplication}

= 0.55 - x + 2.4x - 2.1

= 1.4x - (2.1 - 0.55)

= 1.4x - 1.55 ( Answer )

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Bruce drove 25 km and his car used 4 L of gas. How many km can Bruce drive with 30 L of gas? Round your answer to the nearest km
Rudik [331]

Answer:

188km

Hi there!!

I hope this answer helps.

Step-by-step explanation:

You can solve this with simple cross multiplication. (proportion)

Step-by-step explanation:

7 0
3 years ago
Harper works at an electronics store as a salesperson. Harper earns a 6% commission on the total dollar amount of all phone sale
agasfer [191]

<u>Answer:</u>

The system of equations are

x + y = 2600   …….equation (1)

and, 6x + 5y = 13700  ……equation (2)

<u>Explanation:</u>

Let x = amount of sales of phone;

y = amount of sales of computer

For phone, 6% of sales is 6% of x, or 6% * x = 0.06x.

Similarly for computer,

5% of y = 0.05y

Given the total sales; x + y = 2600

And commission; 0.06x + 0.05y = 137; or 6x + 5y = 13700

Therefore the system of equations are

x + y = 2600   …….equation (1)

6 x + 5 y = 13700  ……equation (2)

7 0
3 years ago
Write an equation. Let x be the unknown number.
HACTEHA [7]
Since x is our unknown number, on one side of our equation we will have the "<span>Subtracting two times a number from 10", and on the other will be -3. So,
-3=10-2x</span>
4 0
3 years ago
Felix earns $450 per week plus 3% of sales over $4800. Felix’s sales are $53000. How much does Felix earn?Felix earns $450 per w
kirill [66]

Answer:

<em>Felix earns total $594 per week.</em>

Step-by-step explanation:

Felix’s sales are $53000.

So, <u>the amount of sales over $4800 will be</u>:  \$53000-\$4800= \$48200

Felix earns $450 per week and additional 3% of sales over $4800.

So, his additional income = (\$4800\times 0.03)=\$144

Thus, Felix's total income will be:  (\$450+\$144)=\$594

3 0
3 years ago
What is the degree? <br> f(x) = 1x5 + x2 +3.
Liono4ka [1.6K]

Answer:

3x^2 +3xh +h^2 -10 x- sh + 1, H=0

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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