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nata0808 [166]
3 years ago
13

If 5x - 8 = 7, what is the value of 5x + 8?

Mathematics
1 answer:
muminat3 years ago
3 0
If 5x - 8 = 7, what is the value of 5x + 8? 

<span>What do you get when you add (16) to both sides of the equation ??  

</span><span>[5x + 8 = 23 ]
</span>
Hope I helped
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Please write down your work on the loose leaf, take a CLEAR picture, and upload here. Thank you.
Zigmanuir [339]

Answer:

m(∠C) = 18°

Step-by-step explanation:

From the picture attached,

m(arc BD) = 20°

m(arc DE) = 104°

Measure of the angle between secant and the tangent drawn from a point outside the circle is half the difference of the measures of intercepted arcs.

m(∠C) = \frac{1}{2}[\text{arc(EA)}-\text{arc(BD)}]

Since, AB is a diameter,

m(arc BD) + m(arc DE) + m(arc EA) = 180°

20° + 104° + m(arc EA) = 180°

124° + m(arc EA) = 180°

m(arc EA) = 56°

Therefore, m(∠C) = \frac{1}{2}(56^{\circ}-20^{\circ})

m(∠C) = 18°

8 0
3 years ago
Megan has $45.12 in her purse. She spends $7.89 for lunch and $21.25 for a pair of sunglasses.
tekilochka [14]

Answer:

15.98 dollars

Step-by-step explanation:

its really easy

we need to subtract the total amount that she has spent from the total amount that she had in her purse

the total amount in Megan's purse=$45.12

total amount that Megan spent=$7.89+$21.25 =$29.14

now,

the exact amount that Megan has left = $45.12-$29.14=$15.98

5 0
2 years ago
LALITETIT<br> IVAL<br> How much does it coast
slega [8]

Answer:

Sorry

Step-by-step explanation:

i dont know

felling sorry

5 0
3 years ago
Hellpme now thanks youu uuuuuuuuuuuuuuuuuuuuuuuuuuu
Lana71 [14]

Answer:

answer is 80

Step-by-step explanation:

7200 / 90 = 80

4 0
2 years ago
Meredith solved a quadratic equation. Her work is shown below.
Damm [24]

Answer:

Step 2

Step-by-step explanation:

Meredith made a fatal mistake or error in step 2;

Any quadratic problem will always have two solutions. Therefore since, we only have one solution here, it is wrong. The mistake was incurred in step 2;

  From the given problem ;

    <u> Wrong                                                  right</u>

    2(x + 4)² = 242

    (x + 4)² = 121     Step 1  

     x+4=11              Step 2                  x + 4  = ± 11

     x  = 7                Step 3                  x + 4  = 11 or x + 4  = -11

                                                           x  = 11- 4     or    x  = -11 - 4

                                                           x  = 7 or -15

3 0
3 years ago
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