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Alenkasestr [34]
3 years ago
9

In a right triangle, the legs have lengths of 8 and 15. What is the perimeter of this triangle?

Mathematics
1 answer:
den301095 [7]3 years ago
7 0

Answer:

40

Step-by-step explanation:

Use Pythagorean Theorem to find the 3rd side, which will be 17. Then add all of the sides and you'll get the answer.

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Fiona wrote out the description of each step for her multiplication of the binomial and trinomial (2x – 3)(5x2 – 2x + 7).
Valentin [98]

Answer:

Step 2

Step-by-step explanation:

Fiona did mistake step 2.

Use the distributive property to multiply -3 times each term in the trinomial.

The correct result is

-3(5x^2 - 2x + 7) = -15x^2 + 6x - 21

Fiona written -6x instead of + 6x.

That's the error.

The answer is "Step 2"

Hope you will understand the concept.

Thank you.

5 0
3 years ago
Read 2 more answers
Work out the surface area of the solid cuboid. 2.5m 2m 5m The diagram is not drawn to scale.​
kozerog [31]

Answer:

the formula for TSA of a cuboid is (lb+bh+hl)

soo it will be

(2.5x2+2x5+5x2.5)

(5+10+10)

(25)

so 25 cm^2

5 0
2 years ago
If m&lt;BDC = 20, m arc AB = 140, and marc CD = 120, find m&lt;1.<br><br>​
lara [203]

Answer:

40

ljfldnjkafkjagfbkg bkj hbsfgjhg .

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
If 30g of sugar is needed to make 4 cakes how much grams of sugar is needed to make 7 cakes
arsen [322]
There's two ways to do this.

The first way:
Work out the amount of sugar needed to make one cake, and then multiply that by 7.

30 grams ÷ 4 cakes = 7.5 grams for 1 cake.
7.5 grams × 7 cakes = 52.5 grams for 7 cakes.

The second way:
Work out the ratio of sugar:cake by doing 7 ÷ 4, and then multiplying that value by 30.

7 cakes ÷ 4 cakes = 1.75
1.75 × 30 grams = 52.5 grams for 7 cakes. 

Either way, the answer is 52.5 grams.
6 0
3 years ago
HElP!
zheka24 [161]

Answer:

A- The cabinets have the same base area.

C- The cabinets may have the same base dimensions.

D- The cabinets may have different base dimensions

Step-by-step explanation:

4 0
3 years ago
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