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jonny [76]
3 years ago
9

Simple Algebra problem. Includes the x and y axis. Also need help finding the perimeter.

Mathematics
1 answer:
Leona [35]3 years ago
3 0

Answer:

31.5cm²

Step-by-step explanation:

area of a triangle =1/2 b h

b= 7cm

h=9cm

1/2×7×9

= 1/2×63

= 31.5cm²

hypotenuse is unknown so,

c²=a²+b²

c²= 7² + 9²

= 49 + 81

c²= 130

c= 11.4cm

perimeter= 7 +9+11.4

=27.4cm

pls note that no unit was stated

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Step-by-step explanation:

7 0
2 years ago
What is the answer = 8w- 8 - 6w = 4w - 7<br> w= ??
ololo11 [35]

Answer:

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Step-by-step explanation:

so first, simplify by combining like terms.

so 8w-6w = 2w

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now we have to get the w's to one side of the equation so we can solve for it. so that mean we have to subtract 2w from both sides. 2w - 2w is 0. and then 4w - 2w = 2w. so now we have

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5 0
2 years ago
Question 5 (1 point)
Damm [24]

Answer:

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Step-by-step explanation:

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5 0
2 years ago
Find the product.<br> (x+2)(x−2)=
kaheart [24]

Answer:

x² - 4

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
2<br>It costs £0.75 to buy 5 bananas.<br>Work out how much it would cost to buy 7 bananas.​
Sophie [7]
£.075/5= £0.15
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