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4 years ago

Y = 5 and y = -1 if the lines are parallel, perpendicular, or neither

Mathematics

1 answer:

denis-greek [22]4 years ago

8 0

Answer:

the lines are parallel

Step-by-step explanation:

you can tell they are parallel by graphing them

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There are 120 students in class 7. it is known that 2 3 out of them like maths, out of which 35 are girls. also, out of total st

Bas_tet [7]

maths questions can be solved using unitary method.

Answer:

(a) The total number of girls in the class are 48

(b) The total number of students that like maths are 80

Solution:

According to the question, $\frac{3}{5}$ of total students are boys

number of boys = $\frac{3}{5}$ × 120 = 72

Also, According to the question, $\frac{2}{3}$ of total students like maths

number of students = $\frac{2}{3}$ × 120 =80

(a) The total number of girls in the class = total number of students - total number of boys

total number of girls in the class = 120 - 72 = 48

(b) The total number of students that like maths are 80

(c) The total number of boys like maths = total number of students that like maths - total number of girls that like maths

total number of boys like maths = 80 - 35 = 45

What is unitary method?

The unitary approach is a strategy for problem-solving that involves first determining the value of a single unit, then multiplying that value to determine the required value.

know more about similar unitary method numericals

brainly.com/question/17092435

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5 0

2 years ago

An art teacher has a jar containing b buttons to distribute to her class for a project. In order to give each in the class 6 but

Nastasia [14]

Answer:

Step-by-step explanation:

Given:

An art teacher has the total number of buttons = $b$

1. In order to give each in the class 6 buttons, she will need 18 more buttons.

2. If she gives each child 5 buttons, she will have 4 left over.

Question asked:

How many children are in the class ?

Solution:

Let total number of children in the class = $x$

As given that, 18 more buttons will be needed to give 6 buttons to each.

The equation will be:-

$b+18=6x\\b-6x=-18\ (equation\ 1)$

Also given that, If she gives 5 buttons to each, she will have 4 left over.

The equation will be:-

$b-5x=4\ (equation\ 2)$

Subtraction equation 2 from 1

$b-6x-(b-5x)=-18-4\\b-6x-b+5x=-22\\-6x+5x=-22\\-x=-22\\Minus\ canceled\ by\ minus\\x=22$

Hence, total number of children are 22.

4 0

4 years ago

Use a two-column proof to prove the Triangle Proportionality Theorem:

photoshop1234 [79]

Answer:

Step-by-step explanation:

From the picture attached,

Statements Reasons

1). In ΔABC, DE intersects AB and AC 1). Given

2). DE║BC 2). Given

3). ∠ADE ≅ ABC 3). Corresponding angles postulate

4). ∠AED ≅ ∠ACB 4). Corresponding angles postulate

5). ΔADE ~ ΔABC 5). AA similarity postulate

6). $\frac{AD}{AB}=\frac{AE}{AC}$ 6). Definition of two similar triangles

Hence proved.

4 0

3 years ago

Scientific notation

tatiyna

Answer:

51,760

Step-by-step explanation:

Move the decimal place 4 tens places to the right (Positively)

51,760

I hope this helped!

7 0

3 years ago

Area of square rug? It’s inside is (5x+1)

kherson [118]

(5x+1)(5x+1)=25x+5x+5x+1=35x+1

The area of the square rug is (35x+1).

I may be wrong, I never was good at these types of problems.

5 0

3 years ago