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MariettaO [177]
2 years ago
11

Evaluate a-b if a=10 and b=-7​

Mathematics
1 answer:
Tomtit [17]2 years ago
7 0
10- -7 = 10 + 7 = 17!
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7(r-5)-3=r+34 what is the answer
geniusboy [140]
7(r-5)-3=r+34
7r-35-3=r+34
7r-32=r+34
7r-r=34+32
6r=4
6r divide by 6= 4 out if 6
Reduce it to its simplest form so 4 divide by 2 and 6 divide by 2 and your answer will be 2 out of 3


Hope this helps!!!
4 0
2 years ago
What's the probability of rolling a prime number on a fair die
agasfer [191]

Answer:

50% chance

Step-by-step explanation:

if it's a six-sided die, the options are 2, 3, and 5. that's three numbers out of six, or half (50%)

6 0
3 years ago
Read 2 more answers
In the diagram below, ST is parallel to QR. angle P is 40 degrees, and QST is 2R+8. Find the measure of STR in degrees.
lozanna [386]

Answer:

148º

Step-by-step explanation:

Use the information given:

  • The measure of a straight line is 180º. So angle PST=180-(2R+8)
  • Since ST and QR are parallel, angle PST=angle PQR. Now, angle PQR=180-(2R+8)
  • The sum of a triangle's interior angles is 180º. So 40+180-2R-8+R=180º.
  • Combine like terms, 212-R=180
  • Subtract, -R=-32
  • Convert to positive, R=32º

With R=32º, we can find angle QST and PQR. Angle QST=2(32)+8=64+8=72º. So angle PQR=180º-72º=108º. The sum of a quadrilateral's interior angles is 360º:

  • 32º+72º+108º+STR=360º
  • Combine like terms, 212º+STR=360º
  • Subtract, STR=148º
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3 years ago
I can't figure out the slope of (-5,1) and (6, 4)​
Nuetrik [128]

Answer:

3/11

Step-by-step explanation:

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2 years ago
Is 25/99 a terminating decimal or a repeating decimal
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3 years ago
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