3 years ago

What type of right triangle would you use this formula for and why? c=2a

Mathematics

1 answer:

levacccp [35]3 years ago

7 0

Answer:

30 60 90 triangle

the hypotenuse is twice the length of the shorter leg length.

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Kay added 253 + 14 and got a sum of 393. What did she do wrong? Check all that apply.

SashulF [63]

Answer:

She did not correctly add up the numbers

Step-by-step explanation:

253 + 14 = 267

3 0

2 years ago

HELP help HELP help HELP help HELP help HELP help HELP help HELP help

Morgarella [4.7K]

$\text{mass of freight train} = 9.98 \times {10}^{6} kg$

$\text{mass of aircraft carrier} = 7.3 \times {10}^{7} \: kg$

$\text{difference of masses of aircraft and train: } \\ \\ 7.3 \times {10}^{7} - 9.98 \times {10}^{6} \\ \\ = 73 \times {10}^{6} - 9.98 \times {10}^{6}$

$= (73 - 9.98 )\times {10}^{6} \\ \\ = 63.02 \times {10}^{6} \\ \\ = 6.302 \times {10}^{6} \: kg \\ \\ \approx 6.3 \times {10}^{6} \: kg$

Approximately, aircraft carrier is 6.3 × 10^6 kg heavier than the freight train.

7 0

2 years ago

Z1 =3+4i and z2=4+3i then what is the relation of z1 and z2?

harkovskaia [24]

Answer:

ANSWER

=3+4i

=−4+3i

z=z

∴z=(3+4i)+(−4+3i)

∴z=(−1+7i)

∴∣z∣=5