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julia-pushkina [17]
3 years ago
11

9. Simplify the expression: 4a + 8 - 2a – 4 + 7b.

Mathematics
1 answer:
nikdorinn [45]3 years ago
8 0

Answer:

2a + 7b + 4

Step-by-step explanation:

4a + 8 - 2a - 4 + 7b

<u><em>Group like terms</em></u>

4a - 2a + 7b + 8 - 4

<u><em>Add similar elements (4a - 2a)</em></u>

2a + 7b + 8 - 4

<u><em>Add/Subtract (8 - 4)</em></u>

2a + 7b + 4

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Help me ASAP... PLISSSSS​
Marina CMI [18]

Answer:

1010 base 9 Changing from base to decimal we start from left side digit and multiply by base

1000 * 9^3 = 729

1 * 9 = 9

We sum and get 738

85 base 9 =

8 * 9 = 72

5 = 5

We sum 72 + 5 = 77 decimal

738 - 77 = 661 decimal

and if the answer must be in base 9 then:

661 decimal = 814 base 9

Step-by-step explanation:

7 0
3 years ago
PLEASE HELP URGENT!! DONT LINK FILES!!! HELP!!
Tomtit [17]

Answer:

Base = 8

Step-by-step explanation:

Area of a triangle can be calculated as:

Area = 0.5 x Base x Height

The values of the area and the height are given in order to find the length.

A= 52 in^2

Height= 13

First we have to find the base or the length. Using the values above we can set up the equation as:

1. 52= (0.5)(13)(b)

2. 52/0.5(13)

3. b=8

Answer: The length of the guitar or the base would be 8 inches.

I hope this helps and for future problems regarding this topic use the formula above!!

Formula: 0.5 x Base x Height

4 0
3 years ago
Which expression is equivalent to b + b - 0.56b?
Alexxx [7]
Hey there!

“Which expression is equivalent to b + b – 0.56b?”

• “b” or any other letter value is considered an “unknown number” so usually we label it/them as an invisible 1

• COMBINE the LIKE TERMS

(b + b – 0.56b)

(1b + 1b – 0.56b)
1b + 1b = 2b
2b – 0.56b = 1.44b

• Therefore, b + b – 0.56b is equivalent to 2b + 0.56b

Possible answer that you could be looking for: 2b + 0.56b ☑️

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)
4 0
3 years ago
If m∠jkl = (8x – 6)° and measure of arc jml = (25x – 13)°, find measure of arc jml.
dem82 [27]

Applying the angle of intersecting secants theorem, the measure of arc JML is: 262°.

<h3>What is the Angle of Intersecting Secants Theorem?</h3>

The angle of intersecting secants theorem states that when two lines form an external angle outside a circle, the measure of the angle is half the difference between the measure of the major and minor intercepted arcs.

Thus:

m∠JKL = (measure of arc JML - measure of arc JL)/2 => angle of intersecting secants theorem

m∠JKL  = 8x - 6

measure of arc JML = 25x - 13

measure of arc JL = 360 - (25x - 13)

Plug in the values

8x - 6 = [(25x - 13) - (360 - (25x - 13))/2]

Solve for x

2(8x - 6) = [(25x - 13) - (360 - 25x + 13)]

16x - 12 = [(25x - 13) - (373 - 25x)]

16x - 12 = 25x - 13 - 373 + 25x

16x - 12 = 50x - 386

16x - 50x = 12 - 386

-34x = -374

x = 11

Measure of arc JML = 25x - 13

Plug in the value of x

Measure of arc JML = 25(11) - 13 = 262°

Learn more about angle of intersecting secants theorem on:

brainly.com/question/1626547

7 0
3 years ago
Hello, I wanted an answer from a mathematician. The number 1.04 is closer to the number 1, 2, 1.25 or 1.5.
Drupady [299]

Answer:

pls mark brilliant

1 is the answer

Step-by-step explanation:

This is how to round 1.04 to the nearest whole number. In other words, this is how to round 1.04 to the nearest integer.

1.04 has two parts. The integer part to the left of the decimal point and the fractional part to the right of the decimal point:

Integer Part: 1

Fractional Part: 04

Our goal is to round it so we only have an integer part using the following rules:

If the first digit in the fractional part of 1.04 is less than 5 then we simply remove the fractional part to get the answer.

If the first digit in the fractional part of 1.04 is 5 or above, then we add 1 to the integer part and remove the fractional part to get the answer.

The first digit in the fractional part is 0 and 0 is less than 5. Therefore, we simply remove the fractional part to get 1.04 rounded to the nearest whole number as:

<u>1</u>

4 0
3 years ago
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