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klasskru [66]
3 years ago
8

The expression 9+21 factored using

Mathematics
2 answers:
puteri [66]3 years ago
7 0
The answer should be 30.
Hatshy [7]3 years ago
3 0
Firstly we have to find rhe highest common factor which is in this case 3 so firstly we should multiply the brackets by the HCF 3 then add the two numbers divided by 3 so 3(3+7)
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I need help with this question ​
Mademuasel [1]

Answer:

RQ = 49

Step-by-step explanation:

12/28 = 21/RQ (Ratio of sides of similar triangles are equal)

12 x RQ = 21 x 28

RQ = 588 / 12

RQ = 49

5 0
3 years ago
Francesca has 281 marbles in her collection.Tothe nearest hundred about how many marbles does Francesca have ?
evablogger [386]
Francesca will have 300 marbles
6 0
4 years ago
on a map 1 inch equals 5 miles. if two cities are 9 inches apart on the map, how far are they actually apart?
Natali [406]

Answer:

45 miles

Step-by-step explanation:

9 x 5 = 45

6 0
3 years ago
Find the slope for each of the order pair. (-2,-1) and (8,-3)
kondaur [170]

Answer:

-0.2

Step-by-step explanation:

Slope (m) =ΔY/ΔX= 8-(-2)/-3-(-1)

= -1/5

= -0.2

4 0
3 years ago
I especially need help in the formula and how to set these up, thank you.
Eddi Din [679]
8 • 8 = 64%

400 • 64% = 256
400 - 256 = 144

Reece’s initial deposit was $144.
—————
#2 Is weird due to the fact that it declined but we will solve it anyways.

$66 lost after 11 years.

66 / 11 = $6 lost per year

6 • 100 / 550 = -1.09% negative simple interest rate per year.
6 0
3 years ago
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