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Oksi-84 [34.3K]
1 year ago
13

Laurie has a signed contract with I- Mobile where she will pay a $25 fee each month plus $2 per phone call.

Mathematics
1 answer:
nikitadnepr [17]1 year ago
8 0

Answer:

i dont know how your teacher teaches it but in the first question take away the y after the 25. number 2 the start equation would be 55=2x+25 then you would subtract 25 from each side to get 30=2x, the divide by to to get x=15 or she made 15 calls. number 3 is correct.

i hope this helps

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What number has factors that add up to thirty
NNADVOKAT [17]
29 = 1 * 29
1 + 29 = 30
thus answer is 29
5 0
3 years ago
Congruent triangles & proofs need answers to all the ones i got wrong. thank u!
notka56 [123]

Answer:

Step-by-step explanation:

13. Since, it is given that we have to prove ΔGDH≅ΔFEH by HL rule, thus From ΔGDH, ∠GDH=90° and GH is the hypotenuse and from ΔFEH, ∠HEF=90° and HF is the hypotenuse, thus in ΔGDH and ΔFEH,

∠GDH≅∠HEF=90°

GH≅FH,

Thus by HL the given triangles are congruent.

Option A is correct.

14. From the figure, it can be seen that both triangles have a right angle congruent and hypotenuse congruent, thus by HL rule, triangle scan be prove congruent.

Option A is correct.

15. It is given that BI is parallel to RD, thus using the alternate interior angle property, ∠B≅∠R.

Option C is correct.

16. It is given that BI is parallel to RD, and ∠BSI and ∠RSD form the vertically opposite angles, thus ∠BSI≅∠RSD by vertical angles are congruent.

Option A is correct.

17. Since Δ ABC is an isosceles triangle, thus two sides of the triangle are equal, therefore ∠A=∠B=3x+5, using the angle sum property in ΔABC, we have

3x+5+2x+3x+5=180°

⇒8x+10=180

⇒8x=170

⇒x=21.25

Thus, ∠B=3x+5=3(21.25)+5=63.75+5=68.75°

18. From ΔJKL and ΔDEF, we have

∠K=∠E (given)

∠L=∠F(given)

JL=DF

Thus, By AAS rule ΔJKL ≅ ΔDEF

As corresponding angles and corresponding sides are equal in these two triangles as compared to the other triangles.

8 0
3 years ago
Need to Simplify 6^5/6^3
katrin [286]

Answer:

6^2

Step-by-step explanation:

We know a^b / a^c = a^(b-c)

6^5 / 6^3 = 6^(5-3)  = 6^2

3 0
3 years ago
Between which 2 consecutive numbers is radical 46
Nuetrik [128]
\bf \sqrt{46}\approx 6.78239983
\\\\\\
\boxed{6}\text{\textemdash\textemdash\textemdash\textemdash\textemdash\textemdash\textemdash\textemdash}6.78239983\text{\textemdash\textemdash\textemdash}\boxed{7}
5 0
3 years ago
Mr. Falk is going to replace the carpet in his basement. The basement is
Rzqust [24]
<h3>Answer:  1728 dollars</h3>

==========================================================

Explanation:

1 yard = 3 feet

We'll divide by 3 to convert from feet to yards

  • 27 feet = 27/3 = 9 yards
  • 18 feet = 18/3 = 6 yards

The basement is 9*6 = 54 square yards in floor area.

At $32 per square yard, the total cost to carpet the floor is 32*54 = 1728 dollars.

7 0
3 years ago
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