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Serjik [45]
3 years ago
15

9/10 divided by (-3/5)

Mathematics
1 answer:
katrin [286]3 years ago
4 0

Answer:

-\frac{3}{2} OR (-1.5)

Step-by-step explanation:

Apply the fraction rule: \frac{a}{-b} =-\frac{a}{b} (means just flip!)

Divide using the rule: \frac{a*d}{b*c}

By then you should have: -\frac{45}{30}

Just simplify.

<em>Hope this helps!!!!</em>

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Triangle A B C is cut by line segment S T. Line segment S T goes from side A B to side C B. Lines S T and A C are parallel. The
maksim [4K]

Answer:

Option C.

Step-by-step explanation:

Given information: In triangle ABC, ST║AC, SB=10 ft, BT=9 ft and CT=2.7 ft.

Triangle proportionality theorem: If a line segment parallel to a side of a triangle then the line segments divides the remaining sides proportionally.

Using triangle proportionality theorem we get

\dfrac{SA}{SB}=\dfrac{CT}{BT}

\dfrac{SA}{10}=\dfrac{2.7}{9}

On cross multiplication we get

9\times SA=2.7\times 10

9SA=27

Divide both sides by 9.

SA=3

The length of SA is 3ft.

Therefore, the correct option is C.

8 0
3 years ago
Read 2 more answers
If the bases of a trapezoid have lengths of 19 and 38, what is the length if the median?
Feliz [49]
Length of the median would be: a+b / 2 = 19+38 / 2 = 57/2 = 28.5
7 0
3 years ago
To make his famous chocolate cake, a baker uses chocolate that is 75% cocoa.
Masja [62]

The baker needs to use 100/3 pounds of 90% chocolate to make the cake.

<h3>Equation </h3>

An equation is an expression used to show the relationship between two or more numbers and variables.

Let x represent the amount of 90% chocolate. Using equation:

100 * 70% + x * 90% = (x + 100) * 75%

100 * 0.7 + 0.9 * x = (x + 100) * 0.75

70 + 0.9x = 0.75x + 75

x = 100/3

The baker needs to use 100/3 pounds of 90% chocolate to make the cake.

Find out more on Equation  at: brainly.com/question/22688504

8 0
2 years ago
I don't know it at all I need help
damaskus [11]
I hope this helps you

7 0
3 years ago
Question 4 options:
Arada [10]

Answer:

{ b, d, f }

Step-by-step explanation:

In the roster form we write the elements of a set by separating commas and enclose them within {} bracket.

We have give,

U = \{a, b, c, d, e, f, g\},

A = \{a, c, e, g\},

B = \{a, b, c, d\},

\because A' = U - A

\implies A' = \{a, b, c, d, e, f, g\} - \{a, c, e, g\}

= { b, d, f }

3 0
3 years ago
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