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3 years ago

I need an explanation as to why the other three are wrong aswell

Mathematics

2 answers:

deff fn [24]3 years ago

6 0

Answer:

D. An equilateral triangle.

Step-by-step explanation:

$.$

• For isosceles triangle » only two sides are equal.

• For scalene triangle » no line is equal to each other

• For right angled triangles » atmost two lines are equal

miv72 [106K]3 years ago

5 0

Answer:

D. Equilateral triangle

Step-by-step explanation:

Coz its all sides are equal and suppose if its length is 2 cm , then all sides will be 2 cm only so its equal

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Joesphine scored 95, 84, and 87 on three math tests. She wants her average score for 5 tests to be at least 90.

attashe74 [19]

Answer:

The answer for part B is I think 92 and 92. And for part A she could get 97 and 97 as the test average would be 92.

Step-by-step explanation:

I kinda explained it in the answer yeah but I hope that helps.

7 0

3 years ago

What is sn for the arithmetic series with a1=3 an=-38 and n=8?

otez555 [7]

Sn = n/2 (a1+an)
= 8/2 (3-38)
= 4 (-35)
= -140

4 0

3 years ago

Hi can you match these for me :(

podryga [215]

Answer:1c . 3a . 4b . 5d . 2e

Step-by-step explanation:sorry if wrong not super good

4 0

3 years ago

Tbh I'm just too lazy to actually do this and my head hurts from the rest of my school work so I'm just asking it on here -2/5 +

Leto [7]

Answer:

1/10

Step-by-step explanation:

-2/5 + 1/2

-4/10 + 5/10

-4 + 5/10

= 1/10

Hope this helps!

6 0

3 years ago

Read 2 more answers

Hernando ate StartFraction 2 Over 8 EndFraction of a pizza for a dinner. He gave his 6 friends the rest of the pizza and told th

ozzi

Answer:

Yes, they are correct. Hernando divided 6 by 6.

Step-by-step explanation:

Given that:

Hernando ate 2/8 of a pizza for dinner.

Let the pizza be x. Then:

Hernando ate $\dfrac{2}{8} \ \ o f \ \ x$

Then he gave the rest of the pizza to his friends

Hernando now carried out the following calculations to support his activities;

$\dfrac{6}{8} \div 6= \dfrac{6 \div 6}{8}= \dfrac{1}{8}$

$\dfrac{6}{8} \times \dfrac{1}{6}= \dfrac{6 \div 6}{8}= \dfrac{1}{8}$

From the above calculation; we will see that Hernando divided 6 by 6 in both cases to get $\dfrac{1}{8}$ .

Thus, the correct answer is:

Yes, they are correct. Hernando divided 6 by 6.

3 0

3 years ago

Read 2 more answers