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Assoli18 [71]
3 years ago
15

Linda already owns 7 necklaces, and additional necklaces are priced at 3 for a dollar. Write an equation that shows the relation

ship between the money spent on additional necklaces x and the total number of necklaces y.
Mathematics
2 answers:
maksim [4K]3 years ago
6 0

Answer:

95+5x=13x

I'd if this is right im not smart

MArishka [77]3 years ago
4 0

Answer:

y=3x+7

Step-by-step explanation:

start with y=

find your variables

x comes after 3 because it's how much money she spent on additional necklaces

add 7 because she already owns 7 necklaces

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Your mom suggested ten different choices for you to eat for lunch over the next week at school. How many different ways can you
Serggg [28]

Answer:

B. 252

Step-by-step explanation:

To find the answer, you have to use the formula to calculate the number of combinations as in this case, the order in which the objects are selected doesn't matter:

nCr=n!/r!(n-r)!

n= number of sample points: 10

r= number of sample points in each combination: 5

10C5= 10!/5!(10-5)!

10C5= 10!/5!*5!

10C5= 252

According to this, the answer is that you have 252 different ways to choose your school lunch.

5 0
3 years ago
I need help!! It’s proving trapezoids theorems
sweet [91]

Because ABCD is an isosceles trapezoid, the angles A and D are congruent.

BA and CD are congruent (given) and AD is congruent to itself (reflexive property).

Then triangles BAD and CDA form a pair of SAS triangles, so they are congruent.

BD and CA are corresponding parts in those triangles, so they are congruent (CPCTC).

7 0
3 years ago
Read 2 more answers
Samri and Vinita both have cell phones. Samri pays $75.89 per month plus $0.12 per text message to use his cellphone. Vinita pay
Sedaia [141]

75.89 + 0.12x = 27.41 + 0.36x

75.89 - 27.41 = 0.24x

48.48 = 0.24x

x = 48.48 / 0.24

x = 202

Each sent 202 text messages



3 0
3 years ago
Read 2 more answers
Please help 25 points and brainliest
-BARSIC- [3]

Answer:

1a. 8

1b. AB & BC

1c. AC

2. \sqrt{52} miles

3. NO

Step-by-step explanation:

1a. AC is your hypotenuse which is C² and BC is B², so we plug it in the equation.

A²+6²=10²

A²+36=100

A²=64

A=\sqrt{64}

A=8

1b. Legs are the two shorter sides, AB & BC, which are 6 & 8 respectively.

1c. The hypotenuse is the longest side AC

2. Make lines that make the graph for a triangle with a line. My graph is linked below. Then counts the points, AC=6, BC=4, then use the pythagorean therom.

6²+4²=X²

36+16=52

\sqrt{52}=X

3. 15²+17²=19²

514=361

not possible

so it is not a right triangle

7 0
3 years ago
Write an equation in slope-intercept form for this line.
sineoko [7]

Answer:

y = \frac{3}{2} x - 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = \frac{3}{2} , then

y = \frac{3}{2} x + c ← is the partial equation

To find c substitute (- 4, - 7 ) into the partial equation

- 7 = - 6 + c ⇒ c = - 7 + 6 = - 1

y = \frac{3}{2} x - 1 ← equation of line

7 0
2 years ago
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