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N76 [4]
3 years ago
11

This is a practice asaigment before the real assignment plz help​

Mathematics
1 answer:
Annette [7]3 years ago
3 0

Answer:

1)a+$5.92=$12.29

a= $12.29-$5.92

a=$6.37

2) 42/j = 6

6j=42

j=42/6

j=7

3) j+8=72 —> 9+8=72–>17=72 False

m x 3= 27 —> 9x3=27 —> 27=27 True

b+4=13 —> 9+4=13 —> 13=13 True

p-5=4 —> 9-5=4 —> 4=4 True

q/3 = 27 —> 9/3 =27 —> 3=27 False

4) $15.32+ C= $29.00

For soccer ball: C= $12.87

$15.32+ C= $29.00 —> $15.32+ $12.87 = $29.00 —> $28.19

For baseball cap: C=$8.39

$15.32+ C= $29.00 —> $15.32+ $8.39 = $29.00 —>$23.71

For a set of shin guard: C=$14.98

$15.32+ C= $29.00 —> $15.32+ $14.98 = $29.00 —>$30.3

For water bottle: C=$5.93

$15.32+ C= $29.00 —> $15.32+ 5.93 = $29.00 —>$21.25

Because annabetg can spend only $29 at the store, the most expensive item she can buy with the t-shirt is the soccer ball which cost $12.87

5) 6x=12–> x=12/6 —> x=2 False

5+x=11 —> x=11-5 —> x=6 True

x/2=3 —> x= 2x3 —> x=6 True

17-x=11 —> -x=11-17 —> -x=-6 —> x=6 True

Note: Review part 4 please or ask someone to resolve it to make sure it is correct

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Answer: r = 7

Step-by-step explanation:

Subtract 12 from both sides to isolate the r variable. You have -42 = -6r. Divide both sides by -6 to get r by itself and you get r = 7. Verify by substituting 7 as the r value and solving the equation.

8 0
3 years ago
Read 2 more answers
Find the equation of the line parallel to the line y = 4x – 2 that passes through the point (–1, 5).
Anni [7]
<span>Find the equation of the line parallel to the line y = 4x – 2 that passes through the point (–1, 5).

</span>y = 4x – 2 has slope = 4
<span>parallel lines have same slope so slope  = 4

</span><span>passes through the point (–1, 5).
</span><span>y = mx+b
5 = 4(-1) + b
b =9

equation
y = 4x + 9

answer

The slope of y = 4x – 2 is 4
The slope of a line parallel to y = 4x – 2 is  4
The equation of the line parallel to y = 4x – 2 that passes through the point (–1, 5) is y = 4x + 9</span>
4 0
3 years ago
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Simplify the expression. (7x + 3) + (4x - 1) - (2x + 4)
Crazy boy [7]

Answer:

9x -2

Step-by-step explanation:

(7x + 3) + (4x - 1) - (2x + 4)

Distribute the minus sign

(7x + 3) + (4x - 1) - 2x - 4

Combine like terms

7x+4x-2x   +3 -1-4

9x                -2

3 0
3 years ago
The Gordon family plans to buy a TV. One TV has a purchase price of $330 and an estimated yearly operating cost of $14. The othe
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Answer:
The second tv option (cheaper by $1)

Step by step explanation:
To find how much the first tv will cost all together complete the equation:
$330 + $14 * 8 = $442
Second tv cost:
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2 years ago
If x = 10, y = 5, and z = 11, what is the sine ratio for g°?
salantis [7]

Answer:

\frac{10}{11}

Step-by-step explanation:

<u><em>The picture of the question in the attached figure</em></u>

we know that

In the right triangle ABC

sin(g^o)=\frac{AC}{AB} ----> by SOH (opposite side divided by the hypotenuse)

substitute the given values

sin(g^o)=\frac{x}{z}

sin(g^o)=\frac{10}{11}

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