3 years ago

How do u write 25,678 in number name

Mathematics

1 answer:

egoroff_w [7]3 years ago

8 0

Answer:

twenty-five thousand, six hundred seventy-eight

Step-by-step explanation:

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The expression sin 57° is equal to

ValentinkaMS [17]

Answer:

$cos(33^{\circ})$

Step-by-step explanation:

Given

$sin(57^{\circ})$

Required

Determine an equivalent expression

In trigonometry:

$sin(\theta)= cos(90^{\circ} - \theta)$

In $sin(57^{\circ})$

$\theta=57^{\circ}$

Substitute $57^{\circ}$ for $\theta$

in $sin(\theta)= cos(90^{\circ} - \theta)$

$sin(57^{\circ})= cos(90^{\circ} - 57^{\circ})$

$sin(57^{\circ})= cos(33^{\circ})$

Hence, the equivalent expression is: $cos(33^{\circ})$

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3 years ago

A line passes through the point (-8, 7) and has a slope of negative 3/4

yanalaym [24]

Y = mx + b
slope(m) = 3/4
(-8,7)...x = -8 and y = 7
now we sub and solve for b, the y int
7 = 3/4(-8) + b
7 = - 6 + b
7 + 6 = b
13 = b

so ur line is : y = 3/4x + 13

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3 years ago

True or false: 3^-1 x 3^-1=3^1

Tresset [83]

Answer:

the answer I got is false

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3 years ago

-5x + 32 = 47<br> What is the answer to the equation

SOVA2 [1]

Answer:

x = -3

Step-by-step explanation:

-5x + 32 = 47

-5x + 32 - 32 = 47 - 32

-5x = 15

-5x / -5 = 15 / -5

x = -3

7 0

3 years ago

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If you add 3 groups of 10 to 100, what is the total? How do you know?

Mazyrski [523]

Answer:

130

Step-by-step explanation:

3*10 =30+100=130

4 0

3 years ago

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