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2 years ago

Samuel purchased 2 1/2lb of nuts for $10.50.

Mathematics

2 answers:

aalyn [17]2 years ago

6 0

Answer:

22.05

Step-by-step explanation:

21/2 has 5 halves

10.5 divided by 5= 2.1

2.1= 1/2 2.1 x 10 = 21

2.1 / 2 = 1.05

21 + 1.05= 22.05

Shalnov [3]2 years ago

3 0

The answer is 22.05 hope you get a good grade

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Here are two squares, A and B. A B The length of each side of square B is 4cm greater than the length of each side of square A.

alina1380 [7]

Answer:

144cm²

Step-by-step explanation:

Area of square A Aa = La²

Area of square B Ab= Lb²

If the length of each side of square B is 4cm greater than the length of each side of square A, then;

Lb = La + 4 ... 1

Also if the area of square B is 70cm² greater than the area of square A, then;

Ab = Aa + 70

Since Aa = La² and Ab = Lb²

Lb² = La² + 70 ...2

Substitute 1 into 2;

(La+4)² = La²+70

Expand

La²+8La+16 = La²+80

8La+16 = 80

8La = 80 - 16

8La = 64

La = 64/8

La = 8cm

Since Lb = La + 4

Lb = 8 + 4

Lb = 12cm

Area of square B = Lb²

Area of square B = 12²

Area of square B = 144cm²

4 0

3 years ago

Read 2 more answers

Provide an example of biased vs. unbiased.

Tatiana [17]

Biased: I’m going to vote for savanna because she’s my best friend
Unbiased: I’m going to vote for Stacy because she is the best candidate for the school’s treasurer

6 0

3 years ago

PLS I NEED ASAP I WILL GIVE BRAINLIEST AND 30+ POINTS

Nadya [2.5K]

Question:

The diagram below shows the graph of a proportional relationship. The plotted point is (6,9) .

What is the unit rate of this graph? Be sure to simplify your answer.

Answer:

The unit rate of this graph is 1.5

Explanation:

The graph shows a proportional relationship and the plotted point is (6,9).

The unit rate of the graph can be determined by the formula,

$\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=m$

Thus, from the graph, the coordinates are (0,0) and (6,9)

Substituting the coordinates in the formula, we have,

$\frac{6-0}{9-0} =m$

Subtracting, we get,

$m=\frac{6}{9} =1.5$

Thus, the unit rate of the graph is 1.5

7 0

3 years ago

Its a word problem in algebra 1 that i need help on step by step ?

Luden [163]

Answer:

Cost of one rose bush = $2 and cost of 1 geranium = $11

Step-by-step explanation:

lets assume cost of one rose bush = $x

lets assume cost of one geranium = $y

Given that Norachai spent $13 on 1 rose and 1 geranium

⇒ 1 × (cost of one rose bush) + 1× (cost of one geranium) = 13

⇒ 1x + 1y = 13 ----------------------------equation 1

Also given that Castel spent $46 on 1 rose bush and 4 geraniums

⇒1 × (cost of one rose bush) + 4× (cost of one geranium) = 46

⇒ 1x + 4y = 46 ----------------------------equation 2

Now we are having following two equations which will be used to find the value of x and y

1x + 1y = 13 ----------------------------equation 1

1x + 4y = 46 ----------------------------equation 2

lets modify equation 1 to get value of y in terms of x and name that equation as equation 3

1x + 1y = 13 ----------------------------equation 1

⇒ y = 13 - x -----------------------------equation 3

On substituting value of y from equation 3 in equation 2 we get

1x + 4 × ( 13 - x ) = 46

⇒ x + 52-4x =46

⇒ -3x = 46-52

⇒ x = (-6)/(-3) = 2

on substituting calculated value of x that is 2 in equation 3 we get

y = 13 -2 = 11

so on solving the equations we get x = 2 and y = 11.

Hence cost of 1 rose bush = $x = $2 and cost of 1 geranium = $y = $11

8 0

3 years ago

If the actual distance between two cities is 52 kilometers (km), then the distance on the map would be ? cm

lys-0071 [83]

Your answer in cm would be 5,200,000.
As 1km=100,000 cm

3 0

3 years ago