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alukav5142 [94]
3 years ago
11

Help ASAP!!! Read the question and answer please!!! First answer and correct answer gets the brain-

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
7 0

Answer:

First blank is 15.

Second blank is 60.

Third blank is 8.

15x-60=8

Step-by-step explanation:

To clear the fractions, multiply both side by the least common multiple (or a common multiple) of the denominators you see.

The least common multiply of 4 and 5 is 4(5)=20.

So multiply both sides by 20:

20(\frac{3}{4}x-3)=20(\frac{2}{5})

\frac{3(20)}{4}x-3(20)=\frac{2(20)}{5}

Simplify:

3(5)x-60=2(4)

15x-60=8

First blank is 15.

Second blank is 60.

Third blank is 8.

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Answer:

Step-by-step explanation:

4x-8<5x+4

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x > -12

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Help me with the question in the pic please and thank u!
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Answer:

1.98

Step-by-step explanation:

In this problem, we are:

Given: ∠D = 26°, Hypotenuse (DF) = 4.5

To solve: EF

Now through the given, we are to focus on point D to solve for EF.

We need to find the relationship of point D to DF and EF.

The relationship here is sine.

Reason: \frac{opposite}{hypotenuse}

Through point D, DF is the hypotenuse and EF is the opposite side.

So let's solve this simply through algebra,

sin = \frac{opposite}{hypotenuse}

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0.44 = \frac{EF}{4.5}

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After dinner 2/3 of a pan of lasagna is left. The hole pan of Lasagna was originally cut in into pieces that were each 1/6 of th
Paraphin [41]

Answer:

An equation represents the number of pieces of lasagna that are left after dinner is \frac{1}{6}x=\frac{2}{3}

Step-by-step explanation:

Each piece of Lasagna is 1/6 of the pan

Let x be the number of pieces left

So, x pieces is \frac{1}{6}x of the pan

We are given that After dinner 2/3 of a pan of lasagna is left.

So, \frac{1}{6}x=\frac{2}{3}

x=\frac{2}{3} \times 6

x=4

So, Number of pieces left = 4

Hence An equation represents the number of pieces of lasagna that are left after dinner is \frac{1}{6}x=\frac{2}{3}

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3 years ago
Find sin theta if theta is an angle in standard position and the point with coordinates (3, -4) lies on the terminal side of an
alisha [4.7K]

Answer:

\sin \theta=-\frac{4}{5}

Step-by-step explanation:

Given:

Angle is in standard position which means the starting ray is at the origin. The terminal side has coordinates (3, -4).

So, the 'x' value is 3 and 'y' value id -4.

Using Pythagoras Theorem, we find the hypotenuse.

Hypotenuse = \sqrt{3^2+(-4)^2}=\sqrt{9+16}=\sqrt{25}=5

Now, using the sine ratio for the angle, we have

\sin \theta=\frac{Opposite}{Hypotenuse}\\\sin \theta=\frac{-4}{5}\\\sin \theta=-\frac{4}{5}

Therefore, the value of \sin \theta is -\frac{4}{5}.

The value is negative as the point (3, -4) lies in the fourth quadrant and sine ratio is negative in the fourth quadrant,

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3 years ago
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