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3 years ago

Plz help me

Mathematics

2 answers:

HACTEHA [7]3 years ago

6 0

Answer:

Option b.

Step-by-step explanation:

The given table represents the relationship between the number of cups of cereal and the number of cups of raisins in a cereal bar recipe.

Using the table we get

$\dfrac{\text{Number of cups of cereal}}{\text{Number of cups of raisins}}=\dfrac{8}{2}=\dfrac{12}{3}=\dfrac{16}{4}=4$

It means the number of cups of cereal is 4 times the number of cups of raisins in a cereal bar recipe.

Maria plotted an equivalent ratio on the coordinate grid.

The horizontal axis label is Cereal in cups and the vertical axis label is Raisins in cups.

x-coordinate = Cereal in cups

y-coordinate = Raisins in cups

A point is plotted on the ordered pair (80, 10).

We know that number of cups of cereal is 4 times the number of cups of raisins.

$\dfrac{80}{4}=20$

Here number of cups of Cereal is 80. So, the number of cups of raisins must be 20.

If the number of cups of cereal is 80, then the number of cups of raisins will be 20.

Therefore, the correct option is b.

Feliz [49]3 years ago

4 0

Answer: the answer is c or d, im not exaclty positive but i want to say the answer is d.

Step-by-step explanation:

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Emily thinks the perfect tomato sauce has 8 cloves of garlic in every 500{ mL} of sauce. Raphael's tomato sauce has 12 cloves of

igomit [66]

For perfect solution we need to have :- 8 colves in 500ml solution

500 ml has 8 cloves

1 ml has 8 / 500 cloves

100ml has 8 / 500 * 100 = 8/5 = 1.6 cloves

Raphael's mixture

900 ml has 12 cloves

1 ml has 12 / 900 cloves

100 ml has 12 / 900 * 100 = 12 / 9 = 1.33 cloves

so concentration of garlic in 100 ml solution of Raphael's solution is less than Emily's solution so it is not garlicky enough. ( option B)

5 0

3 years ago

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10x - 80 = 16x - 12 <br> what is x?

AnnyKZ [126]

I just did it on paper but hope that helps:)

7 0

3 years ago

Classify the following triangle. Check all that apply.

xeze [42]

Answer:

Option A and B

Step-by-step explanation:

sides of the triangle have been given as 15, 15.8, 30 units.

angles of the same triangle has been given as 70°, 80°, [180-(70+80)] or 30°.

Here we see all sides and all the angles of the given triangle have different measures ( all the three sides and angles are different )

By the definition of scalene triangle the given triangle will be scalene.

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6 0

3 years ago

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1. Given points A(3, -5) and B(19, -1), find the coordinates of point C that sit 3/8 of the way along line AB, closer to A than

zaharov [31]

1. C(x, y) = (7.3, –3.9)

2. C(x, y) = (17, –1.5)

Solution:

Question 1:

Let the points are A(3, –5) and B(19, –1).

C is the point that on the segment AB in the fraction $\frac{3}{8}$ .

Point divides segment in the ratio formula:

$$C(x, y)=\left(\frac{mx_2+nx_1}{m+n} , \frac{my_2+ny_1}{m+n}\right)$

Here, $x_1=3, y_1=-5, x_2=19, y_2=-1$ and m = 3, n = 8

$$C(x, y)=\left(\frac{3\times19+8\times3}{3+8} , \frac{3\times(-1)+8\times(-5)}{3+8}\right)$

$$=\left(\frac{57+24}{11} , \frac{-3-40}{11}\right)$

$$=\left(\frac{81}{11} , \frac{-43}{11}\right)$

C(x, y) = (7.3, –3.9)

Question 2:

Let the points are A(3, –5) and B(19, –1).

C is the point that on the segment AB in the fraction $\frac{3}{8}$ .

Point divides segment in the ratio formula:

$$C(x, y)=\left(\frac{mx_2+nx_1}{m+n} , \frac{my_2+ny_1}{m+n}\right)$

Here, $x_1=3, y_1=-5, x_2=19, y_2=-1$ and m = 7, n = 1

$$C(x, y)=\left(\frac{7\times19+1\times3}{7+1} , \frac{7\times(-1)+1\times(-5)}{7+1}\right)$

$$=\left(\frac{133+3}{8} , \frac{-7-5}{8}\right)$

$$=\left(\frac{136}{8} , \frac{-12}{8}\right)$

C(x, y) = (17, –1.5)

8 0

4 years ago

Write an equation in slope-intercept form of the line that passes through the given point and is parallel to the graph of the gi

sasho [114]

Equation of a line passing through point (x1, y1) with slope m is given by y - y1 = m(x - x1)
For parallel lines, the slope of the required line is equal to the slope of the given line.
x = -3 is a vertical line, therefore, the required line will also be a vertical line since they are parallel.
Since the required line passes through point (4, 2), the equation of the required line is x = 4.

7 0

3 years ago