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Gnom [1K]
2 years ago
5

4r+9r-11r+7r= Simplify Combine like terms

Mathematics
2 answers:
zloy xaker [14]2 years ago
6 0

Answer: 9r

Step-by-step explanation:

4r + 9r - 11r + 7r

13r - 11r = 2r

2r + 7r = 9r

~I hope I helped you! :)~

Veseljchak [2.6K]2 years ago
3 0

Answer:

9r

Step-by-step explanation:

4r+9r-11r+7r

Combine like terms

13r -11r+7r

2r+7r

9r

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Łatwy ułamek <br> 36/7-3/5-4/10
Free_Kalibri [48]

Answer:

4 \frac{1}{7}

Step-by-step explanation:

\frac{36}{7}  -  \frac{ 3}{5}  -  \frac{4}{10}  \\  \\ lcm  \: \: is \:  \: 70 \\  \\  \frac{360 - 42 - 28}{70}  \\  =  \frac{290}{70}  \\  =  \frac{29}{7}  \\  = 4 \frac{1}{7}

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em>

<em>Can</em><em> </em><em>I</em><em> </em><em>have</em><em> </em><em>the</em><em> </em><em>brainliest</em><em> </em><em>please</em><em>?</em>

5 0
3 years ago
Please help! will mark brainliest
marin [14]

The correct answer is D.

x= -4 and y=2

left 4  up 2


7 0
3 years ago
Tony is 5.75 feet tall. Late one afternoon, his shadow was 8 feet long. At the same time, the shadow of a nearby tree was 32 fee
dangina [55]

the height of the tree is 23 feet .

<u>Step-by-step explanation:</u>

Here we have , Tony is 5.75 feet tall. Late one afternoon, his shadow was 8 feet long. At the same time, the shadow of a nearby tree was 32 feet long. We need to find Find the height of the tree. Let's find out:

According to question , Tony is 5.75 feet tall. Late one afternoon, his shadow was 8 feet long . Let the angle made between Tony height and his shadow be x . Now , At the same time, the shadow of a nearby tree was 32 feet long. Since the tree is nearby so tree will subtend equal angle of x. Let height of tree be y , So

⇒ Tanx=\frac{y}{32}

But , From tony scenario

⇒ Tanx=\frac{5.75}{8}

Equating both we get :

⇒ \frac{y}{32}  = \frac{5.75}{8}

⇒ y=\frac{5.75(32)}{8}

⇒ y=23ft

Therefore , the height of the tree is 23 feet .

3 0
3 years ago
Lillian works 7hours each day for 5 days a week she earn £420 each week how much does she earn per hour
frosja888 [35]

Answer:

£12 per hour

Step-by-step explanation:

7 × 5 = 35 hours

35 h : 420

1 h : x

x = 420×1 / 35

= £12 per hour

8 0
3 years ago
5 x 10-2 Standard notation
djyliett [7]

Answer:

50x-2

Step-by-step explanation:

4 0
3 years ago
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