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svlad2 [7]
3 years ago
6

Help someone I’ll give brainlist

Mathematics
2 answers:
uranmaximum [27]3 years ago
8 0

Answer: I think B

Step-by-step explanation: Hope it helped! :)

sattari [20]3 years ago
5 0

Answer:

D

Step-by-step explanation:

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A student skipped a step when she tried to convert 18 hours into seconds and she got the following result:
Kitty [74]

Multiply 18hours by 60 seconds, the answer is 2880 seconds.

6 0
3 years ago
What theorem can you use to prove that angle GKJ is congruent angle HIK?
dmitriy555 [2]

Angle Side Angle Theorem (ASA)

The Angle Side Angle Postulate (ASA) says triangles are congruent if any two angles and their included side are equal in the triangles. An included side is the side between two angles.

4 0
3 years ago
Please need help on this one
kakasveta [241]

Answer:

25 degrees

Step-by-step explanation:

Use a trig. ratio

sin^{-1}=3/7

Plug it into a calculator

sin^{-1}=25.3

7 0
3 years ago
Determina la masa molar y el volumen que ocupa la siguiente sustancia CO2, si su masa es de 28 gr. *
balandron [24]

Answer:

Para el CO₂ sabemos que:

densidad = 0,001976 g/cm³

Sabemos que:

densidad = masa/volumen

Entonces, si tenemos una masa de 28 g, podemos escribir:

volumen = masa/densidad

volumen = (28g)/(0,001976 g/cm³) = 14,170 cm^3

Para obtener la masa molar (es decir, la masa de un mol de esta sustancia) simplemente sumamos la masa de un mol de cada componente.

Carbono: tiene una masa molar de 12 g/mol

Oxígeno: tiene una masa molar de 16 g/mol (y tenemos dos oxígenos)

entonces la masa molar va a ser:

masa molar = 12g/mol + 2*16g/mol = 44 g/mol

Es decir, un mol de CO₂, pesa 44 gramos.

7 0
3 years ago
The base of a 13 foot ladder is 5 feet away from the wall. How far up the wall does the ladder reach? A)8 feet B)10 feet C)12 fe
Lisa [10]

You are solving for the height. Use the formula:

c² - b² = a²      in which c = hypotenuse

(13)² - (5)² = a²

Simplify

169 - 25 = a²

144 = a²

Isolate the a. Root both sides

√144 = √a²

a = √144

a = √(12 x 12)

a = 12

C) 12 feet is your answer

~

3 0
3 years ago
Read 2 more answers
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