Pls help I will give 22 points :(((

Answer:

3/4 cups of Chocolate chips is needed

Step-by-step explanation:

Sara was making a cookies and she needs ½ cup of Chocolate chips and 2/3 cup of sugar. She accidently put in 1 cup of sugar. How many cups chocolate chips does she need now?

From the above question:

2/3 cup of sugar = ½ cup of Chocolate chips

1 cup of sugar = x

Cross Multiply

2/3 cup of sugar × x = ½ cup of Chocolate chips × 1 cup of sugar

x = ½ cup of Chocolate chips × 1 cup of sugar/ 2/3 cup of sugar

x = 1/2 ÷ 2/3

x = 1/2 × 3/2

x = 3/4 cups of Chocolate chips

Therefore, for 1 cup of sugar , 3/4 cups of Chocolate chips is needed

Answer: 2x+3y=5,4x+6y=10

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Answer:

x = 2 and y = -1

Step-by-step explanation:

simplify the first equation by dividing each term by -2

x - 3y = 5

now you can add this to 4x + 3y = 5 and the 'y-values' will be eliminated and you will have:

5x = 10

x = 2

substitute '2' for 'x' to solve for 'y':

-2(2) + 6y = -10

-4 + 6y = -10

6y = -6

y = -1

Answer:

6F

Step-by-step explanation:

it is 6 f because at 4:00 a.m. it is 12 f and it drops 3 per hour and I know that 4:00 a.m. to 6:00 a.m. is 2 hours and 2 times 3 is 6 and 6 minus 12 is 6

Answer:  81% of the variance in dependent variable is explained by this correlation .

Step-by-step explanation:

For X = Independent variable and Y=dependent variable,

If r= correlation coefficient , then we say [tex]r^2[/tex]  of the variance in Y is explained by Variable X.

Given: r= 0.90

[tex](0.90)^2= 0.81[/tex]

So, 81% of the variance in dependent variable is explained by this correlation .

Answer: 17.82

Step-by-step explanation:

1.15 x 15.50 = 17.825

17.825 rounded to the nearest hundreth is 17.82

Answer:

[tex]y = a + b \\ a = y - b = = = > (i) \\ x = ab + 1 \\ x = (y - b)b + 1 \\ x = yb - {b}^{2} + 1 \\ yb = x + {b}^{2} - 1 \\ y = \frac{1}{b} (x + {b}^{2} - 1)[/tex]

Answer:

ab=x-1

a=y-b

x-1=(y-b)b

X-1/y-b=b

Answer:

9 visits

Step-by-step explanation:

Given that:

Amount spent by Miranda per visit = $7

Amount spent by Savanah per visit = $9

To obtain the least number of visits by Miranda ;

We obtain the L. C. M of 7 and 9, the. Divide by the amount she spends per visit ;

Multiples of :

7 = 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77

9 = 9, 18, 27, 36, 45, 54, 63, 72, 81

Hence, lowest common multiple of 7 and 9 is 63 ;

Hence, least possible. Number of visits by Miranda is ; 63 / 7 = 9 visits

Answer:

f(x)=(x-4)^2-20

Step-by-step explanation:

hope this helps!

Answer:

-The system has one solution

-Both lines have the same y-intercept

-The solution is the intersection of the 2 lines

Step-by-step explanation:

When you graph the two lines, you get the intersection at (0,5)

The slope of one line is 0.5 and the other is 1.

The lines are not parallel because they intersect, parallel lines would never intersect.

The equations do not graph the same line, they would be one on top of the other and have infinite solutions.

Answer:

1.116071429

Step-by-step explanation:

This is an irrational number, but if you round it, it should be about 1 or 1.12. You can put this in the calculator btw :)

Answer:

-18

Step-by-step explanation:

Answer:

6 degrees F

Step-by-step explanation:Since it was at 12 and it was 4 am.Going down 3 degrees by the hour and it six do 12-3-3.

Answer:

the first and third should be the correct answer I hope this helps

Answer:

it A ;)

Step-by-step explanation:

Answer:

Plug the variables into the equation = 7(7)-(3(2) - (1)) = 44

Step-by-step explanation:

Answer:

b = 20

Step-by-step explanation:

The computation is shown below

Given that

24+ 6b > 138

where

b = 10

b = 15

b = 20

So if we take b = 10

= 24 + 6(10)

= 24 + 60

= 84

B = 15

= 24 + 6(15)

= 24 + 90

= 114

B = 20

= 24 + 6 (20)

= 24 + 120

= 144

So if we take b = 20 the inequality would be true

Answer:

i dont know if this is right but i put

31)

2. alternate angles

4. alternate angles

5. reflexive property

6. ASA

32)

1. DEC, EDC, DC

2. AAS

3. def. of congruent triangles

4. ACE

5. def. of isosceles triangle

If AB || DC by  Given

2. ∠BAC ≅ ∠DCA because these are alternate angles.

3. AD || BC by given

4. ∠ACB ≅ ∠CAD because these are alternate angles.

5. AC ≅ AC by reflexive property.

6. ΔABC ≅ ΔCDA by ASA property of triangle.

A triangle is a three-sided polygon that consists of three edges and three vertices.

Given that AB || DC and AD || BC

We need to prove that ΔABC ≅ ΔCDA.

Which means ΔABC is similar to ΔCDA.

Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion.

1. AB || DC by  Given

2. ∠BAC ≅ ∠DCA because these are alternate angles.

3. AD || BC by given

4. ∠ACB ≅ ∠CAD because these are alternate angles.

5. AC ≅ AC by reflexive property.

6. ΔABC ≅ ΔCDA by ASA property of triangle.

Hence, AB || DC by  Given

2. ∠BAC ≅ ∠DCA because these are alternate angles.

3. AD || BC by given

4. ∠ACB ≅ ∠CAD because these are alternate angles.

5. AC ≅ AC by reflexive property.

6. ΔABC ≅ ΔCDA by ASA property of triangle.

To learn more on Triangles click:

https://brainly.com/question/2773823

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Answer:

x=14

Step-by-step explanation:

Answer:

its easy

Step-by-step explanation:

the answer is

hi

Answer:

Step-by-step explanation:

If you follow the pythagorean therum you get a multiple of 6 then get the square root of six and that’s you answer

Answer:

(-1,-2) is the correct one but they all are the same

Answer:

your answer would be 3/10.

Step-by-step explanation:

you divide both 9/30 by 3

Answer:

3/10

Step-by-step explanation:

The first step is to find the greatest common factor, in this case it's 3.

Then divide the 9 by 3, which is 3.

Next you divide 30 by 3 which is 10

When simplifying a fraction you don't flip the numerator and denominator, so you put the simplified values in their places and you get 3/10.

its A cause each person gets one slice of pizza and u have to include Gloria.

hope it helped

9514 1404 393

Answer:

Step-by-step explanation:

The sum of the two adjacent angles is equal to the angle that includes both.

  ∠NBS +∠SBR = ∠NBR . . . . . angle sum theorem

  (12x -4) +42 = (17x +8)

  30 = 5x . . . . . . . . . . . . . . subtract 12x+8

  6 = x . . . . . . . . divide by 5

__

Then the measure of ∠NBS is ...

  ∠NBS = 12x -4 = 12·6 -4

  ∠NBS = 68 . . . . degrees

Answer:

24

Step-by-step explanation:

In this question, you have to solve by plugging in the value to the "k" variable and solve.

Solve:

5(3)^2 - 7(3)

3^2 = 9

5(9) - 7(3)

45 - 7(3)

45 - 21 = 24

Your final answer would be 24.

Answer:

24

Step-by-step explanation:

5(3)^2 - 7(3)

5(9) - 21

45 - 21

24

Answer:

58.29

Step-by-step explanation:

1/2 × (7+10.4) × 6.7

= 58.29

Answer: y = 2 when x = 4

i looked for a correlation in the given problem, and i realized that "y" will equal half of whatever "x" equals. so when x = 4, y = 2.

Answer:

3/5

Step-by-step explanation:

It is an example of 3/5ths of a students

The relationship “3 students out of 5 students” is an example of a Fraction.

A fraction is a part of a whole number, and a way to split up a number into equal parts.

Given a statement, 3 students out of 5 students;

This can be written as 3/5 which describes a fraction.

Hence, The given relationship is an example of fraction.

For more references on fraction, click;

https://brainly.com/question/10354322

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