SOME PLEASE HELP ME I HAVE TO TURN THIS IN AND IT DUE SOON

Mathematics

2 answers:

Natali5045456 [20]2 years ago

6 0

Answer: i am sorry but the picture wont load-

Step-by-step explanation:

Iteru [2.4K]2 years ago

4 0

It is between 8 and 9.

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11111nata11111 [884]

Answer:

there is two solutions to that problem. you can find x is equal to two numbers.

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2 years ago

Write 8 as a product of primes.<br> Use index notation

dimaraw [331]

Answer:

2³

Step-by-step explanation:

8 = 2 × 2 × 2 = 2³

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2 years ago

Answer only one question No 1 only

Svet_ta [14]

-10369

too lazy but that's the exact value

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2 years ago

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carly and rob combined their dvd collections. now they have 42 dvds in all carly had 4 more dvds than rob. how many dvds did car

mrs_skeptik [129]

So r+c=42 c=4+r subsitute c=4+r for r in r+c=42 r+4+r=42 add like terms 2r+4=42 subtract 4 from both sides 2r=38 divide both sides by 2 r=19 rob=19 subsitute r=19 for r in c=4+r c=19+4 carly=23

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2 years ago

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If 3a-2b= 8 and a+3b=7 what is the value of 4a+b?

Fittoniya [83]

Step 1: Find the value of one variable in terms of the other.

$a+3b=7\\a=7-3b$

Step 2: Substitute the value you just found for this variable in the other equation.

$3a-2b=8\\3(7-3b)-2b=8\\21-9b-2b=8\\21-11b=8\\21=8+11b\\13=11b\\\frac{13}{11}=b\\ b=1\frac{2}{11}$

Step 3: Use your new value for the second variable to find the first.

$a+3b=7\\a+3(1\frac{2}{11})=7\\a+3\frac{6}{11}=7\\\\a=3\frac{5}{11}$

Now that we know the values for a and b we can find the value of 4a+b.

$4a+b\\4(3\frac{5}{11})+1\frac{2}{11}\\12+\frac{20}{11}+1\frac{2}{11}\\\\12+1\frac{9}{11}+1\frac{2}{11}\\\\\boxed{15}$

6 0

3 years ago