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Zepler [3.9K]
3 years ago
13

Which expression is equivalent to (5x + 3) + (4x + 7)?

Mathematics
2 answers:
Mazyrski [523]3 years ago
8 0

Answer:

The answer is 9x+10

Step-by-step explanation:

You have to combine all the like terms, x + x and constants with constants

Vlada [557]3 years ago
5 0

Answer:

9x + 10

Step-by-step explanation:

5x+3 + 4x+7

Combine like terms

5x+4x   +3+7

9x + 10

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Which is greater, 1 5/8 or 1 2/3 how can you be sure?
krek1111 [17]
Lets get these into improper fractions. 

1*8 + 5 = 8+5 = 13

13/8 

1*3 + 2 = 3+2 = 5

5/3

Now divide

13/8 = 1.625
5/3 = 1.6666

1  2/3 is larger 
8 0
3 years ago
Read 2 more answers
Jonathon buys 3 crates of flowers. He plants 2/5 pf the flowers and then divides the remaining flowers among 5 friends. What fra
GarryVolchara [31]

Answer:

2/5 of 3 = 2/5 * 3 = 6/5....what he plants

(6/5) / 5 = 6/5 * 1/5 = 6/25 <== what each friend got

Step-by-step explanation:

7 0
3 years ago
Thomas earns $8.75 per hour grooming dogs. He wants to go to the movies with a $50 this weekend. Which equation can he use to fi
sveta [45]

Answer:

8.75h = 50

Step-by-step explanation:

h is the number of hours Thomas needs to groom the dogs.

The rate is $8.75 per hour.

His goal is $50.

$8.75 × h = $50

$8.75h = $50

6 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST!!!!<br><br> What is 40%, 1/4, 25%, 1/3 in least to greatest?
Ket [755]
The order is 1/4, 25%, 1/3, 40%
6 0
4 years ago
Simplify. cos^2[(pi/2) - x] + cos^2[(pi/2) - x] + cos^2x
Ipatiy [6.2K]

Numerator
<span><span>cos<span>(<span>π/2</span>−x)</span></span>=<span>cos<span>(<span>π/2</span>)</span></span><span>cosx</span>+<span>sin<span>(<span>π/2</span>)</span></span><span>sinx</span></span>

now <span><span>cos<span>(<span>π/2</span>)</span></span>=0 and <span>sin<span>(<span>π/2</span>)</span></span>=1</span>

simplifies to : 0 + sinx = sinx

Denominator

<span><span>sin<span>(<span>π/2</span>−x)</span></span>=<span>sin<span>(<span>π/2</span>)</span></span><span>cosx</span>+<span>cos<span>(<span>π/2</span>)</span></span><span>sinx</span></span>

simplifies to : cosx + 0 = cosx

<span>⇒<span><span>cos<span>(<span>π/2</span>−x)</span></span><span>sin<span>(<span>π/2</span>−x)</span></span></span>=<span><span>sinx/</span><span>cosx</span></span>=<span>tan<span>x</span></span></span>

5 0
4 years ago
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