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Gelneren [198K]
3 years ago
12

F(x)=2x+3/4x+5 find f(-9)pls solve it ​

Mathematics
1 answer:
Marysya12 [62]3 years ago
4 0

Answer:

15/31

Step-by-step explanation:

substitute -9 were there's x in the function

f(-9)=2(-9)+3/4(-9)+5

=-18+3/-36+5

=-15/-31

the negatives cancel giving you

15/31

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Use the given information to prove that RSU=TSV
RoseWind [281]

Answer:

Statement,                                                        Reason

Given segment RV = segment TU,                 Given  

m∠R = m∠T,                                                      Given

Segment RS ≅ segment ST,                            Base angles theorem

ΔRSV ≅ ΔTSU,                                                 SAS rule of congruency

Segment SV ≅ segment SU,                          CPCTC

VU ≅ UV,                                                          Reflexive property

RU = RV + VU, TV = TU + UV,                          Addition of segments

RV + VU ≅ TU + UV,                                         Addition property of equality

RU ≅ TV,                                                           Transitive property of addition

ΔRSU ≅ ΔTSV,                                                  SSS rule of congruency

Step-by-step explanation:

Where:

SAS- Side Angle Side

CPCTC -Congruent Parts of Congruent Triangles are Congruent

SSS -Side Side Side

3 0
3 years ago
Last Monday local mail carriers delivered 1,344 pieces of mail. Of all the deliveries they made, 1 / 6 were magazines, 1 / 12 we
Brut [27]

Answer: 1008 letters

Step-by-step explanation:

From the question, last Monday, a local mail carriers delivered 1,344 pieces of mail and of all the deliveries they made, 1 / 6 were magazines, 1 / 12 were packages, and the rest were letters. The fraction of letters will be:

= 1 - (1/6 + 1/12)

= 1 - (3/12)

= 9/12 = 3/4

We will now multiply 3/4 by 1344 to get the number of letters delivered.

= 3/4 × 1344

= 1008 letters

6 0
3 years ago
Heidi milks two cows. She gets 5 over 6 of a gallon of milk from the first cow and 2 over 3 of a gallon from the second cow. On
melamori03 [73]

Answer:

1 gallon

Step-by-step explanation:

milk she got from both cows

= 5/6+2/3

=1 1/2

milk left after some spilled

= 1 1/2- 1/2

= 1

5 0
3 years ago
What is 6= -2/3m? Explain how you got your answer please. :)
boyakko [2]

m = -9!

Proof:

6=-\frac{2}{3}m\\\\[Multiply by 3 to cancel the fraction, the result is]\\\\6(3)=-2m\\18=-2m\\\\[Now divide by -2 to get your answer]\\\\m = -9

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

4 0
3 years ago
Read 2 more answers
What are the solutions of the system of equations y = –(x + 2)2 + 1 and y = 2x + 5?
Scilla [17]

Answer:

(–4, 5) and (–2, 1)

Step-by-step explanation:

8 0
2 years ago
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