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Aloiza [94]
2 years ago
15

Could some please help and explain?

Mathematics
1 answer:
Sophie [7]2 years ago
7 0

Answer:

x = 7

Step-by-step explanation:

A rhombus is a parallelogram where all sides are equal. Therefore, as we know two sides are equal to 7x+8 and 9x-6, we can say that

7x+8 = 9x - 6

subtract 7x from both sides to put the variable on one side

2x - 6 = 8

add 6 to both sides to isolate the variable and its coefficient

2x = 14

divide both sides by 2 to isolate x

x = 7

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At most, Alana can spend $40 on carnival tickets. Ride tickets cost $4 each, and food tickets cost $2 each. Alana buys at least
Lapatulllka [165]

Answer:

4 is the maximum number of ride tickets she can buy

Step-by-step explanation:

Here, r represents the number of ride tickets and f represents number of food tickets.

The system of inequalities is given as:

r+f\geq 16                         ....[1]

4r+2f\leq 40                    .....[2]

To solve Mathematically:

Multiply equation [1] by -2 we have;

-2r-2f \leq -32               .....[3]

Add equation [2] and [3] we have;

2r \leq 8

Divide both sides by 2 we have;

r \leq 4

Since r must be less than or equal to 4.

You can also see the graph of the given system of inequalities as shown below.

The intersection point is, (4, 12)

Therefore, the maximum number of ride tickets she can buy is, 4

3 0
3 years ago
Which shows the pre-image of triangle X’Y’Z’ before the figure was rotated 90 about the origin x(-2,2) y (0.6) z(1,1)
Blizzard [7]

Answer:

Step-by-step explanation:

I don't see a pic, so i'll give the coordinates

x(2,2)

y(6,0)

z(1,-1)

Hope that this helps

5 0
3 years ago
Tess has 2 and 1/2 cups of fruit. How many 3/4 cup servings can she make
avanturin [10]

Turn 2 1/2 into an improper fraction by multiplying 2 by 2, then adding 1 to that number and using 2 as the new denominator. You get 5/2. Then make it the same denominator as the serving size by multiplying it by 2, or 2/1. You get 10/4. After that, see how many times 3 goes into 10. It’s 3, with 1 remaining. Therefore, he can make 3 1/4 servings, or 3, if you need an exact answer.

3 0
3 years ago
Find the 10th term of the arithmetic sequence with the terms a1=15 and d=80
Alchen [17]

Answer:

The 10th term is 735

Step-by-step explanation:

The 10th term of an <em>Arithmetic Sequence </em>is given by:

a_{10}=a_1+9d

From the question, we were given that:

a_{1}=15

and

d = 80

We substitute these values into the above expresion to obtain:

a_{10}=15+9 \times 80

a_{10}=15+720

a_{10} = 735

8 0
4 years ago
I need an expert and ill comment the other question I need u to look up
kodGreya [7K]

Answer:

Step-by-step explanation:

I’m not an expert but I think it might be 43 goes with 430 430 goes with 0.43 and 4.3 goes with 43 and 4300 goes with 43

4 0
4 years ago
Read 2 more answers
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